628111120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{239}}^1$

素因数の和:310

約数の個数: 240

約数和(自身を含む): 1904878080

約数和(自身を除く): 1276766960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 80, 91, 95, 104, 112, 130, 133, 140, 152, 182, 190, 208, 239, 247, 260, 266, 280, 304, 361, 364, 380, 455, 478, 494, 520, 532, 560, 665, 722, 728, 760, 910, 956, 988, 1040, 1064, 1195, 1235, 1330, 1444, 1456, 1520, 1673, 1729, 1805, 1820, 1912, 1976, 2128, 2390, 2470, 2527, 2660, 2888, 3107, 3346, 3458, 3610, 3640, 3824, 3952, 4541, 4693, 4780, 4940, 5054, 5320, 5776, 6214, 6692, 6916, 7220, 7280, 8365, 8645, 9082, 9386, 9560, 9880, 10108, 10640, 12428, 12635, 13384, 13832, 14440, 15535, 16730, 17290, 18164, 18772, 19120, 19760, 20216, 21749, 22705, 23465, 24856, 25270, 26768, 27664, 28880, 31070, 31787, 32851, 33460, 34580, 36328, 37544, 40432, 43498, 45410, 46930, 49712, 50540, 59033, 62140, 63574, 65702, 66920, 69160, 72656, 75088, 86279, 86996, 90820, 93860, 101080, 108745, 118066, 124280, 127148, 131404, 133840, 138320, 158935, 164255, 172558, 173992, 181640, 187720, 202160, 217490, 236132, 248560, 254296, 262808, 295165, 317870, 328510, 345116, 347984, 363280, 375440, 413231, 431395, 434980, 472264, 508592, 525616, 590330, 603953, 635740, 657020, 690232, 826462, 862790, 869960, 944528, 1121627, 1180660, 1207906, 1271480, 1314040, 1380464, 1652924, 1725580, 1739920, 2066155, 2243254, 2361320, 2415812, 2542960, 2628080, 3019765, 3305848, 3451160, 4132310, 4486508, 4722640, 4831624, 5608135, 6039530, 6611696, 6902320, 7851389, 8264620, 8973016, 9663248, 11216270, 12079060, 15702778, 16529240, 17946032, 22432540, 24158120, 31405556, 33058480, 39256945, 44865080, 48316240, 62811112, 78513890, 89730160, 125622224, 157027780, 314055560, 628111120]

約数ペア:

[(1, 628111120), (2, 314055560), (4, 157027780), (5, 125622224), (7, 89730160), (8, 78513890), (10, 62811112), (13, 48316240), (14, 44865080), (16, 39256945), (19, 33058480), (20, 31405556), (26, 24158120), (28, 22432540), (35, 17946032), (38, 16529240), (40, 15702778), (52, 12079060), (56, 11216270), (65, 9663248), (70, 8973016), (76, 8264620), (80, 7851389), (91, 6902320), (95, 6611696), (104, 6039530), (112, 5608135), (130, 4831624), (133, 4722640), (140, 4486508), (152, 4132310), (182, 3451160), (190, 3305848), (208, 3019765), (239, 2628080), (247, 2542960), (260, 2415812), (266, 2361320), (280, 2243254), (304, 2066155), (361, 1739920), (364, 1725580), (380, 1652924), (455, 1380464), (478, 1314040), (494, 1271480), (520, 1207906), (532, 1180660), (560, 1121627), (665, 944528), (722, 869960), (728, 862790), (760, 826462), (910, 690232), (956, 657020), (988, 635740), (1040, 603953), (1064, 590330), (1195, 525616), (1235, 508592), (1330, 472264), (1444, 434980), (1456, 431395), (1520, 413231), (1673, 375440), (1729, 363280), (1805, 347984), (1820, 345116), (1912, 328510), (1976, 317870), (2128, 295165), (2390, 262808), (2470, 254296), (2527, 248560), (2660, 236132), (2888, 217490), (3107, 202160), (3346, 187720), (3458, 181640), (3610, 173992), (3640, 172558), (3824, 164255), (3952, 158935), (4541, 138320), (4693, 133840), (4780, 131404), (4940, 127148), (5054, 124280), (5320, 118066), (5776, 108745), (6214, 101080), (6692, 93860), (6916, 90820), (7220, 86996), (7280, 86279), (8365, 75088), (8645, 72656), (9082, 69160), (9386, 66920), (9560, 65702), (9880, 63574), (10108, 62140), (10640, 59033), (12428, 50540), (12635, 49712), (13384, 46930), (13832, 45410), (14440, 43498), (15535, 40432), (16730, 37544), (17290, 36328), (18164, 34580), (18772, 33460), (19120, 32851), (19760, 31787), (20216, 31070), (21749, 28880), (22705, 27664), (23465, 26768), (24856, 25270)]