647890880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1171}}^1$

素因数の和:1227

約数の個数: 224

約数和(自身を含む): 2000463360

約数和(自身を除く): 1352572480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 32, 35, 38, 40, 52, 56, 64, 65, 70, 76, 80, 91, 95, 104, 112, 130, 133, 140, 152, 160, 182, 190, 208, 224, 247, 260, 266, 280, 304, 320, 364, 380, 416, 448, 455, 494, 520, 532, 560, 608, 665, 728, 760, 832, 910, 988, 1040, 1064, 1120, 1171, 1216, 1235, 1330, 1456, 1520, 1729, 1820, 1976, 2080, 2128, 2240, 2342, 2470, 2660, 2912, 3040, 3458, 3640, 3952, 4160, 4256, 4684, 4940, 5320, 5824, 5855, 6080, 6916, 7280, 7904, 8197, 8512, 8645, 9368, 9880, 10640, 11710, 13832, 14560, 15223, 15808, 16394, 17290, 18736, 19760, 21280, 22249, 23420, 27664, 29120, 30446, 32788, 34580, 37472, 39520, 40985, 42560, 44498, 46840, 55328, 60892, 65576, 69160, 74944, 76115, 79040, 81970, 88996, 93680, 106561, 110656, 111245, 121784, 131152, 138320, 152230, 155743, 163940, 177992, 187360, 213122, 222490, 243568, 262304, 276640, 289237, 304460, 311486, 327880, 355984, 374720, 426244, 444980, 487136, 524608, 532805, 553280, 578474, 608920, 622972, 655760, 711968, 778715, 852488, 889960, 974272, 1065610, 1156948, 1217840, 1245944, 1311520, 1423936, 1446185, 1557430, 1704976, 1779920, 2024659, 2131220, 2313896, 2435680, 2491888, 2623040, 2892370, 3114860, 3409952, 3559840, 4049318, 4262440, 4627792, 4871360, 4983776, 5784740, 6229720, 6819904, 7119680, 8098636, 8524880, 9255584, 9967552, 10123295, 11569480, 12459440, 16197272, 17049760, 18511168, 20246590, 23138960, 24918880, 32394544, 34099520, 40493180, 46277920, 49837760, 64789088, 80986360, 92555840, 129578176, 161972720, 323945440, 647890880]

約数ペア:

[(1, 647890880), (2, 323945440), (4, 161972720), (5, 129578176), (7, 92555840), (8, 80986360), (10, 64789088), (13, 49837760), (14, 46277920), (16, 40493180), (19, 34099520), (20, 32394544), (26, 24918880), (28, 23138960), (32, 20246590), (35, 18511168), (38, 17049760), (40, 16197272), (52, 12459440), (56, 11569480), (64, 10123295), (65, 9967552), (70, 9255584), (76, 8524880), (80, 8098636), (91, 7119680), (95, 6819904), (104, 6229720), (112, 5784740), (130, 4983776), (133, 4871360), (140, 4627792), (152, 4262440), (160, 4049318), (182, 3559840), (190, 3409952), (208, 3114860), (224, 2892370), (247, 2623040), (260, 2491888), (266, 2435680), (280, 2313896), (304, 2131220), (320, 2024659), (364, 1779920), (380, 1704976), (416, 1557430), (448, 1446185), (455, 1423936), (494, 1311520), (520, 1245944), (532, 1217840), (560, 1156948), (608, 1065610), (665, 974272), (728, 889960), (760, 852488), (832, 778715), (910, 711968), (988, 655760), (1040, 622972), (1064, 608920), (1120, 578474), (1171, 553280), (1216, 532805), (1235, 524608), (1330, 487136), (1456, 444980), (1520, 426244), (1729, 374720), (1820, 355984), (1976, 327880), (2080, 311486), (2128, 304460), (2240, 289237), (2342, 276640), (2470, 262304), (2660, 243568), (2912, 222490), (3040, 213122), (3458, 187360), (3640, 177992), (3952, 163940), (4160, 155743), (4256, 152230), (4684, 138320), (4940, 131152), (5320, 121784), (5824, 111245), (5855, 110656), (6080, 106561), (6916, 93680), (7280, 88996), (7904, 81970), (8197, 79040), (8512, 76115), (8645, 74944), (9368, 69160), (9880, 65576), (10640, 60892), (11710, 55328), (13832, 46840), (14560, 44498), (15223, 42560), (15808, 40985), (16394, 39520), (17290, 37472), (18736, 34580), (19760, 32788), (21280, 30446), (22249, 29120), (23420, 27664)]