157027780

素因数分解:

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

素因数の和:306

約数の個数: 144

約数和(自身を含む): 430133760

約数和(自身を除く): 273105980

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 239, 247, 260, 266, 361, 364, 380, 455, 478, 494, 532, 665, 722, 910, 956, 988, 1195, 1235, 1330, 1444, 1673, 1729, 1805, 1820, 2390, 2470, 2527, 2660, 3107, 3346, 3458, 3610, 4541, 4693, 4780, 4940, 5054, 6214, 6692, 6916, 7220, 8365, 8645, 9082, 9386, 10108, 12428, 12635, 15535, 16730, 17290, 18164, 18772, 21749, 22705, 23465, 25270, 31070, 31787, 32851, 33460, 34580, 43498, 45410, 46930, 50540, 59033, 62140, 63574, 65702, 86279, 86996, 90820, 93860, 108745, 118066, 127148, 131404, 158935, 164255, 172558, 217490, 236132, 295165, 317870, 328510, 345116, 413231, 431395, 434980, 590330, 603953, 635740, 657020, 826462, 862790, 1121627, 1180660, 1207906, 1652924, 1725580, 2066155, 2243254, 2415812, 3019765, 4132310, 4486508, 5608135, 6039530, 7851389, 8264620, 11216270, 12079060, 15702778, 22432540, 31405556, 39256945, 78513890, 157027780]

約数ペア:

[(1, 157027780), (2, 78513890), (4, 39256945), (5, 31405556), (7, 22432540), (10, 15702778), (13, 12079060), (14, 11216270), (19, 8264620), (20, 7851389), (26, 6039530), (28, 5608135), (35, 4486508), (38, 4132310), (52, 3019765), (65, 2415812), (70, 2243254), (76, 2066155), (91, 1725580), (95, 1652924), (130, 1207906), (133, 1180660), (140, 1121627), (182, 862790), (190, 826462), (239, 657020), (247, 635740), (260, 603953), (266, 590330), (361, 434980), (364, 431395), (380, 413231), (455, 345116), (478, 328510), (494, 317870), (532, 295165), (665, 236132), (722, 217490), (910, 172558), (956, 164255), (988, 158935), (1195, 131404), (1235, 127148), (1330, 118066), (1444, 108745), (1673, 93860), (1729, 90820), (1805, 86996), (1820, 86279), (2390, 65702), (2470, 63574), (2527, 62140), (2660, 59033), (3107, 50540), (3346, 46930), (3458, 45410), (3610, 43498), (4541, 34580), (4693, 33460), (4780, 32851), (4940, 31787), (5054, 31070), (6214, 25270), (6692, 23465), (6916, 22705), (7220, 21749), (8365, 18772), (8645, 18164), (9082, 17290), (9386, 16730), (10108, 15535), (12428, 12635)]