280380240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{55631}}^1$

素因数の和:55657

約数の個数: 120

約数和(自身を含む): 1076145408

約数和(自身を除く): 795765168

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 55631, 111262, 166893, 222524, 278155, 333786, 389417, 445048, 500679, 556310, 667572, 778834, 834465, 890096, 1001358, 1112620, 1168251, 1335144, 1557668, 1668930, 1947085, 2002716, 2225240, 2336502, 2503395, 2670288, 3115336, 3337860, 3504753, 3894170, 4005432, 4450480, 4673004, 5006790, 5841255, 6230672, 6675720, 7009506, 7788340, 8010864, 9346008, 10013580, 11682510, 13351440, 14019012, 15576680, 17523765, 18692016, 20027160, 23365020, 28038024, 31153360, 35047530, 40054320, 46730040, 56076048, 70095060, 93460080, 140190120, 280380240]

約数ペア:

[(1, 280380240), (2, 140190120), (3, 93460080), (4, 70095060), (5, 56076048), (6, 46730040), (7, 40054320), (8, 35047530), (9, 31153360), (10, 28038024), (12, 23365020), (14, 20027160), (15, 18692016), (16, 17523765), (18, 15576680), (20, 14019012), (21, 13351440), (24, 11682510), (28, 10013580), (30, 9346008), (35, 8010864), (36, 7788340), (40, 7009506), (42, 6675720), (45, 6230672), (48, 5841255), (56, 5006790), (60, 4673004), (63, 4450480), (70, 4005432), (72, 3894170), (80, 3504753), (84, 3337860), (90, 3115336), (105, 2670288), (112, 2503395), (120, 2336502), (126, 2225240), (140, 2002716), (144, 1947085), (168, 1668930), (180, 1557668), (210, 1335144), (240, 1168251), (252, 1112620), (280, 1001358), (315, 890096), (336, 834465), (360, 778834), (420, 667572), (504, 556310), (560, 500679), (630, 445048), (720, 389417), (840, 333786), (1008, 278155), (1260, 222524), (1680, 166893), (2520, 111262), (5040, 55631)]