47712840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{719}}^1$

素因数の和:819

約数の個数: 128

約数和(自身を含む): 165888000

約数和(自身を除く): 118175160

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, 140, 158, 168, 210, 237, 280, 316, 395, 420, 474, 553, 632, 719, 790, 840, 948, 1106, 1185, 1438, 1580, 1659, 1896, 2157, 2212, 2370, 2765, 2876, 3160, 3318, 3595, 4314, 4424, 4740, 5033, 5530, 5752, 6636, 7190, 8295, 8628, 9480, 10066, 10785, 11060, 13272, 14380, 15099, 16590, 17256, 20132, 21570, 22120, 25165, 28760, 30198, 33180, 40264, 43140, 50330, 56801, 60396, 66360, 75495, 86280, 100660, 113602, 120792, 150990, 170403, 201320, 227204, 284005, 301980, 340806, 397607, 454408, 568010, 603960, 681612, 795214, 852015, 1136020, 1192821, 1363224, 1590428, 1704030, 1988035, 2272040, 2385642, 3180856, 3408060, 3976070, 4771284, 5964105, 6816120, 7952140, 9542568, 11928210, 15904280, 23856420, 47712840]

約数ペア:

[(1, 47712840), (2, 23856420), (3, 15904280), (4, 11928210), (5, 9542568), (6, 7952140), (7, 6816120), (8, 5964105), (10, 4771284), (12, 3976070), (14, 3408060), (15, 3180856), (20, 2385642), (21, 2272040), (24, 1988035), (28, 1704030), (30, 1590428), (35, 1363224), (40, 1192821), (42, 1136020), (56, 852015), (60, 795214), (70, 681612), (79, 603960), (84, 568010), (105, 454408), (120, 397607), (140, 340806), (158, 301980), (168, 284005), (210, 227204), (237, 201320), (280, 170403), (316, 150990), (395, 120792), (420, 113602), (474, 100660), (553, 86280), (632, 75495), (719, 66360), (790, 60396), (840, 56801), (948, 50330), (1106, 43140), (1185, 40264), (1438, 33180), (1580, 30198), (1659, 28760), (1896, 25165), (2157, 22120), (2212, 21570), (2370, 20132), (2765, 17256), (2876, 16590), (3160, 15099), (3318, 14380), (3595, 13272), (4314, 11060), (4424, 10785), (4740, 10066), (5033, 9480), (5530, 8628), (5752, 8295), (6636, 7190)]