28680271360

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:569

約数の個数: 320

約数和(自身を含む): 78328736640

約数和(自身を除く): 49648465280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 89, 92, 104, 115, 128, 130, 160, 178, 184, 208, 230, 256, 260, 299, 320, 356, 368, 416, 421, 445, 460, 512, 520, 598, 640, 712, 736, 832, 842, 890, 920, 1040, 1157, 1196, 1280, 1424, 1472, 1495, 1664, 1684, 1780, 1840, 2047, 2080, 2105, 2314, 2392, 2560, 2848, 2944, 2990, 3328, 3368, 3560, 3680, 4094, 4160, 4210, 4628, 4784, 5473, 5696, 5785, 5888, 5980, 6656, 6736, 7120, 7360, 8188, 8320, 8420, 9256, 9568, 9683, 10235, 10946, 11392, 11570, 11776, 11960, 13472, 14240, 14720, 16376, 16640, 16840, 18512, 19136, 19366, 20470, 21892, 22784, 23140, 23920, 26611, 26944, 27365, 28480, 29440, 32752, 33280, 33680, 37024, 37469, 38272, 38732, 40940, 43784, 45568, 46280, 47840, 48415, 53222, 53888, 54730, 56960, 58880, 65504, 67360, 74048, 74938, 76544, 77464, 81880, 87568, 92560, 95680, 96830, 106444, 107776, 109460, 113920, 125879, 131008, 133055, 134720, 148096, 149876, 153088, 154928, 163760, 175136, 185120, 187345, 191360, 193660, 212888, 215552, 218920, 227840, 251758, 262016, 266110, 269440, 296192, 299752, 309856, 327520, 350272, 370240, 374690, 382720, 387320, 425776, 437840, 487097, 503516, 524032, 532220, 538880, 592384, 599504, 619712, 629395, 655040, 700544, 740480, 749380, 765440, 774640, 851552, 861787, 875680, 974194, 1007032, 1048064, 1064440, 1077760, 1199008, 1239424, 1258790, 1310080, 1401088, 1480960, 1498760, 1549280, 1703104, 1723574, 1751360, 1948388, 2014064, 2128880, 2398016, 2435485, 2478848, 2517580, 2620160, 2802176, 2961920, 2997520, 3098560, 3406208, 3447148, 3502720, 3896776, 4028128, 4257760, 4308935, 4796032, 4870970, 4957696, 5035160, 5240320, 5995040, 6197120, 6812416, 6894296, 7005440, 7793552, 8056256, 8515520, 8617870, 9592064, 9741940, 10070320, 11203231, 11990080, 12394240, 13624832, 13788592, 14010880, 15587104, 16112512, 17031040, 17235740, 19184128, 19483880, 20140640, 22406462, 23980160, 24788480, 27577184, 31174208, 32225024, 34062080, 34471480, 38967760, 40281280, 44812924, 47960320, 55154368, 56016155, 62348416, 64450048, 68124160, 68942960, 77935520, 80562560, 89625848, 95920640, 110308736, 112032310, 124696832, 137885920, 155871040, 161125120, 179251696, 220617472, 224064620, 249393664, 275771840, 311742080, 322250240, 358503392, 441234944, 448129240, 551543680, 623484160, 717006784, 896258480, 1103087360, 1246968320, 1434013568, 1792516960, 2206174720, 2868027136, 3585033920, 5736054272, 7170067840, 14340135680, 28680271360]

約数ペア:

[(1, 28680271360), (2, 14340135680), (4, 7170067840), (5, 5736054272), (8, 3585033920), (10, 2868027136), (13, 2206174720), (16, 1792516960), (20, 1434013568), (23, 1246968320), (26, 1103087360), (32, 896258480), (40, 717006784), (46, 623484160), (52, 551543680), (64, 448129240), (65, 441234944), (80, 358503392), (89, 322250240), (92, 311742080), (104, 275771840), (115, 249393664), (128, 224064620), (130, 220617472), (160, 179251696), (178, 161125120), (184, 155871040), (208, 137885920), (230, 124696832), (256, 112032310), (260, 110308736), (299, 95920640), (320, 89625848), (356, 80562560), (368, 77935520), (416, 68942960), (421, 68124160), (445, 64450048), (460, 62348416), (512, 56016155), (520, 55154368), (598, 47960320), (640, 44812924), (712, 40281280), (736, 38967760), (832, 34471480), (842, 34062080), (890, 32225024), (920, 31174208), (1040, 27577184), (1157, 24788480), (1196, 23980160), (1280, 22406462), (1424, 20140640), (1472, 19483880), (1495, 19184128), (1664, 17235740), (1684, 17031040), (1780, 16112512), (1840, 15587104), (2047, 14010880), (2080, 13788592), (2105, 13624832), (2314, 12394240), (2392, 11990080), (2560, 11203231), (2848, 10070320), (2944, 9741940), (2990, 9592064), (3328, 8617870), (3368, 8515520), (3560, 8056256), (3680, 7793552), (4094, 7005440), (4160, 6894296), (4210, 6812416), (4628, 6197120), (4784, 5995040), (5473, 5240320), (5696, 5035160), (5785, 4957696), (5888, 4870970), (5980, 4796032), (6656, 4308935), (6736, 4257760), (7120, 4028128), (7360, 3896776), (8188, 3502720), (8320, 3447148), (8420, 3406208), (9256, 3098560), (9568, 2997520), (9683, 2961920), (10235, 2802176), (10946, 2620160), (11392, 2517580), (11570, 2478848), (11776, 2435485), (11960, 2398016), (13472, 2128880), (14240, 2014064), (14720, 1948388), (16376, 1751360), (16640, 1723574), (16840, 1703104), (18512, 1549280), (19136, 1498760), (19366, 1480960), (20470, 1401088), (21892, 1310080), (22784, 1258790), (23140, 1239424), (23920, 1199008), (26611, 1077760), (26944, 1064440), (27365, 1048064), (28480, 1007032), (29440, 974194), (32752, 875680), (33280, 861787), (33680, 851552), (37024, 774640), (37469, 765440), (38272, 749380), (38732, 740480), (40940, 700544), (43784, 655040), (45568, 629395), (46280, 619712), (47840, 599504), (48415, 592384), (53222, 538880), (53888, 532220), (54730, 524032), (56960, 503516), (58880, 487097), (65504, 437840), (67360, 425776), (74048, 387320), (74938, 382720), (76544, 374690), (77464, 370240), (81880, 350272), (87568, 327520), (92560, 309856), (95680, 299752), (96830, 296192), (106444, 269440), (107776, 266110), (109460, 262016), (113920, 251758), (125879, 227840), (131008, 218920), (133055, 215552), (134720, 212888), (148096, 193660), (149876, 191360), (153088, 187345), (154928, 185120), (163760, 175136)]