253100120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2243}}^1$

素因数の和:2305

約数の個数: 128

約数和(自身を含む): 723824640

約数和(自身を除く): 470724520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 2015, 2170, 2243, 2821, 3224, 3640, 4030, 4340, 4486, 5642, 8060, 8680, 8972, 11215, 11284, 14105, 15701, 16120, 17944, 22430, 22568, 28210, 29159, 31402, 44860, 56420, 58318, 62804, 69533, 78505, 89720, 112840, 116636, 125608, 139066, 145795, 157010, 204113, 233272, 278132, 291590, 314020, 347665, 408226, 486731, 556264, 583180, 628040, 695330, 816452, 903929, 973462, 1020565, 1166360, 1390660, 1632904, 1807858, 1946924, 2041130, 2433655, 2781320, 3615716, 3893848, 4082260, 4519645, 4867310, 6327503, 7231432, 8164520, 9039290, 9734620, 12655006, 18078580, 19469240, 25310012, 31637515, 36157160, 50620024, 63275030, 126550060, 253100120]

約数ペア:

[(1, 253100120), (2, 126550060), (4, 63275030), (5, 50620024), (7, 36157160), (8, 31637515), (10, 25310012), (13, 19469240), (14, 18078580), (20, 12655006), (26, 9734620), (28, 9039290), (31, 8164520), (35, 7231432), (40, 6327503), (52, 4867310), (56, 4519645), (62, 4082260), (65, 3893848), (70, 3615716), (91, 2781320), (104, 2433655), (124, 2041130), (130, 1946924), (140, 1807858), (155, 1632904), (182, 1390660), (217, 1166360), (248, 1020565), (260, 973462), (280, 903929), (310, 816452), (364, 695330), (403, 628040), (434, 583180), (455, 556264), (520, 486731), (620, 408226), (728, 347665), (806, 314020), (868, 291590), (910, 278132), (1085, 233272), (1240, 204113), (1612, 157010), (1736, 145795), (1820, 139066), (2015, 125608), (2170, 116636), (2243, 112840), (2821, 89720), (3224, 78505), (3640, 69533), (4030, 62804), (4340, 58318), (4486, 56420), (5642, 44860), (8060, 31402), (8680, 29159), (8972, 28210), (11215, 22568), (11284, 22430), (14105, 17944), (15701, 16120)]