8427720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 29491200

約数和(自身を除く): 21063480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 79, 84, 105, 120, 127, 140, 158, 168, 210, 237, 254, 280, 316, 381, 395, 420, 474, 508, 553, 632, 635, 762, 790, 840, 889, 948, 1016, 1106, 1185, 1270, 1524, 1580, 1659, 1778, 1896, 1905, 2212, 2370, 2540, 2667, 2765, 3048, 3160, 3318, 3556, 3810, 4424, 4445, 4740, 5080, 5334, 5530, 6636, 7112, 7620, 8295, 8890, 9480, 10033, 10668, 11060, 13272, 13335, 15240, 16590, 17780, 20066, 21336, 22120, 26670, 30099, 33180, 35560, 40132, 50165, 53340, 60198, 66360, 70231, 80264, 100330, 106680, 120396, 140462, 150495, 200660, 210693, 240792, 280924, 300990, 351155, 401320, 421386, 561848, 601980, 702310, 842772, 1053465, 1203960, 1404620, 1685544, 2106930, 2809240, 4213860, 8427720]

約数ペア:

[(1, 8427720), (2, 4213860), (3, 2809240), (4, 2106930), (5, 1685544), (6, 1404620), (7, 1203960), (8, 1053465), (10, 842772), (12, 702310), (14, 601980), (15, 561848), (20, 421386), (21, 401320), (24, 351155), (28, 300990), (30, 280924), (35, 240792), (40, 210693), (42, 200660), (56, 150495), (60, 140462), (70, 120396), (79, 106680), (84, 100330), (105, 80264), (120, 70231), (127, 66360), (140, 60198), (158, 53340), (168, 50165), (210, 40132), (237, 35560), (254, 33180), (280, 30099), (316, 26670), (381, 22120), (395, 21336), (420, 20066), (474, 17780), (508, 16590), (553, 15240), (632, 13335), (635, 13272), (762, 11060), (790, 10668), (840, 10033), (889, 9480), (948, 8890), (1016, 8295), (1106, 7620), (1185, 7112), (1270, 6636), (1524, 5530), (1580, 5334), (1659, 5080), (1778, 4740), (1896, 4445), (1905, 4424), (2212, 3810), (2370, 3556), (2540, 3318), (2667, 3160), (2765, 3048)]