64500240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{38393}}^1$

素因数の和:38416

約数の個数: 80

約数和(自身を含む): 228521088

約数和(自身を除く): 164020848

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 38393, 76786, 115179, 153572, 191965, 230358, 268751, 307144, 383930, 460716, 537502, 575895, 614288, 767860, 806253, 921432, 1075004, 1151790, 1343755, 1535720, 1612506, 1842864, 2150008, 2303580, 2687510, 3071440, 3225012, 4031265, 4300016, 4607160, 5375020, 6450024, 8062530, 9214320, 10750040, 12900048, 16125060, 21500080, 32250120, 64500240]

約数ペア:

[(1, 64500240), (2, 32250120), (3, 21500080), (4, 16125060), (5, 12900048), (6, 10750040), (7, 9214320), (8, 8062530), (10, 6450024), (12, 5375020), (14, 4607160), (15, 4300016), (16, 4031265), (20, 3225012), (21, 3071440), (24, 2687510), (28, 2303580), (30, 2150008), (35, 1842864), (40, 1612506), (42, 1535720), (48, 1343755), (56, 1151790), (60, 1075004), (70, 921432), (80, 806253), (84, 767860), (105, 614288), (112, 575895), (120, 537502), (140, 460716), (168, 383930), (210, 307144), (240, 268751), (280, 230358), (336, 191965), (420, 153572), (560, 115179), (840, 76786), (1680, 38393)]