8840831720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{3677}}^1$

素因数の和:4003

約数の個数: 128

約数和(自身を含む): 23558031360

約数和(自身を除く): 14717199640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 277, 280, 310, 434, 554, 620, 868, 1085, 1108, 1240, 1385, 1736, 1939, 2170, 2216, 2770, 3677, 3878, 4340, 5540, 7354, 7756, 8587, 8680, 9695, 11080, 14708, 15512, 17174, 18385, 19390, 25739, 29416, 34348, 36770, 38780, 42935, 51478, 60109, 68696, 73540, 77560, 85870, 102956, 113987, 120218, 128695, 147080, 171740, 205912, 227974, 240436, 257390, 300545, 343480, 455948, 480872, 514780, 569935, 601090, 797909, 911896, 1018529, 1029560, 1139870, 1202180, 1595818, 2037058, 2279740, 2404360, 3191636, 3989545, 4074116, 4559480, 5092645, 6383272, 7129703, 7979090, 8148232, 10185290, 14259406, 15958180, 20370580, 28518812, 31574399, 31916360, 35648515, 40741160, 57037624, 63148798, 71297030, 126297596, 142594060, 157871995, 221020793, 252595192, 285188120, 315743990, 442041586, 631487980, 884083172, 1105103965, 1262975960, 1768166344, 2210207930, 4420415860, 8840831720]

約数ペア:

[(1, 8840831720), (2, 4420415860), (4, 2210207930), (5, 1768166344), (7, 1262975960), (8, 1105103965), (10, 884083172), (14, 631487980), (20, 442041586), (28, 315743990), (31, 285188120), (35, 252595192), (40, 221020793), (56, 157871995), (62, 142594060), (70, 126297596), (124, 71297030), (140, 63148798), (155, 57037624), (217, 40741160), (248, 35648515), (277, 31916360), (280, 31574399), (310, 28518812), (434, 20370580), (554, 15958180), (620, 14259406), (868, 10185290), (1085, 8148232), (1108, 7979090), (1240, 7129703), (1385, 6383272), (1736, 5092645), (1939, 4559480), (2170, 4074116), (2216, 3989545), (2770, 3191636), (3677, 2404360), (3878, 2279740), (4340, 2037058), (5540, 1595818), (7354, 1202180), (7756, 1139870), (8587, 1029560), (8680, 1018529), (9695, 911896), (11080, 797909), (14708, 601090), (15512, 569935), (17174, 514780), (18385, 480872), (19390, 455948), (25739, 343480), (29416, 300545), (34348, 257390), (36770, 240436), (38780, 227974), (42935, 205912), (51478, 171740), (60109, 147080), (68696, 128695), (73540, 120218), (77560, 113987), (85870, 102956)]