131243840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4507}}^1$

素因数の和:4544

約数の個数: 112

約数和(自身を含む): 384730752

約数和(自身を除く): 253486912

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 832, 910, 1040, 1120, 1456, 1820, 2080, 2240, 2912, 3640, 4160, 4507, 5824, 7280, 9014, 14560, 18028, 22535, 29120, 31549, 36056, 45070, 58591, 63098, 72112, 90140, 117182, 126196, 144224, 157745, 180280, 234364, 252392, 288448, 292955, 315490, 360560, 410137, 468728, 504784, 585910, 630980, 721120, 820274, 937456, 1009568, 1171820, 1261960, 1442240, 1640548, 1874912, 2019136, 2050685, 2343640, 2523920, 3281096, 3749824, 4101370, 4687280, 5047840, 6562192, 8202740, 9374560, 10095680, 13124384, 16405480, 18749120, 26248768, 32810960, 65621920, 131243840]

約数ペア:

[(1, 131243840), (2, 65621920), (4, 32810960), (5, 26248768), (7, 18749120), (8, 16405480), (10, 13124384), (13, 10095680), (14, 9374560), (16, 8202740), (20, 6562192), (26, 5047840), (28, 4687280), (32, 4101370), (35, 3749824), (40, 3281096), (52, 2523920), (56, 2343640), (64, 2050685), (65, 2019136), (70, 1874912), (80, 1640548), (91, 1442240), (104, 1261960), (112, 1171820), (130, 1009568), (140, 937456), (160, 820274), (182, 721120), (208, 630980), (224, 585910), (260, 504784), (280, 468728), (320, 410137), (364, 360560), (416, 315490), (448, 292955), (455, 288448), (520, 252392), (560, 234364), (728, 180280), (832, 157745), (910, 144224), (1040, 126196), (1120, 117182), (1456, 90140), (1820, 72112), (2080, 63098), (2240, 58591), (2912, 45070), (3640, 36056), (4160, 31549), (4507, 29120), (5824, 22535), (7280, 18028), (9014, 14560)]