61640560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{379}}^1$

素因数の和:518

約数の個数: 80

約数和(自身を含む): 152668800

約数和(自身を除く): 91028240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 107, 152, 190, 214, 304, 379, 380, 428, 535, 758, 760, 856, 1070, 1516, 1520, 1712, 1895, 2033, 2140, 3032, 3790, 4066, 4280, 6064, 7201, 7580, 8132, 8560, 10165, 14402, 15160, 16264, 20330, 28804, 30320, 32528, 36005, 40553, 40660, 57608, 72010, 81106, 81320, 115216, 144020, 162212, 162640, 202765, 288040, 324424, 405530, 576080, 648848, 770507, 811060, 1541014, 1622120, 3082028, 3244240, 3852535, 6164056, 7705070, 12328112, 15410140, 30820280, 61640560]

約数ペア:

[(1, 61640560), (2, 30820280), (4, 15410140), (5, 12328112), (8, 7705070), (10, 6164056), (16, 3852535), (19, 3244240), (20, 3082028), (38, 1622120), (40, 1541014), (76, 811060), (80, 770507), (95, 648848), (107, 576080), (152, 405530), (190, 324424), (214, 288040), (304, 202765), (379, 162640), (380, 162212), (428, 144020), (535, 115216), (758, 81320), (760, 81106), (856, 72010), (1070, 57608), (1516, 40660), (1520, 40553), (1712, 36005), (1895, 32528), (2033, 30320), (2140, 28804), (3032, 20330), (3790, 16264), (4066, 15160), (4280, 14402), (6064, 10165), (7201, 8560), (7580, 8132)]