166613840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:217

約数の個数: 120

約数和(自身を含む): 421306368

約数和(自身を除く): 254692528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 127, 155, 184, 230, 248, 254, 310, 368, 460, 496, 508, 529, 620, 635, 713, 920, 1016, 1058, 1240, 1270, 1426, 1840, 2032, 2116, 2480, 2540, 2645, 2852, 2921, 3565, 3937, 4232, 5080, 5290, 5704, 5842, 7130, 7874, 8464, 10160, 10580, 11408, 11684, 14260, 14605, 15748, 16399, 19685, 21160, 23368, 28520, 29210, 31496, 32798, 39370, 42320, 46736, 57040, 58420, 62992, 65596, 67183, 78740, 81995, 90551, 116840, 131192, 134366, 157480, 163990, 181102, 233680, 262384, 268732, 314960, 327980, 335915, 362204, 452755, 537464, 655960, 671830, 724408, 905510, 1074928, 1311920, 1343660, 1448816, 1811020, 2082673, 2687320, 3622040, 4165346, 5374640, 7244080, 8330692, 10413365, 16661384, 20826730, 33322768, 41653460, 83306920, 166613840]

約数ペア:

[(1, 166613840), (2, 83306920), (4, 41653460), (5, 33322768), (8, 20826730), (10, 16661384), (16, 10413365), (20, 8330692), (23, 7244080), (31, 5374640), (40, 4165346), (46, 3622040), (62, 2687320), (80, 2082673), (92, 1811020), (115, 1448816), (124, 1343660), (127, 1311920), (155, 1074928), (184, 905510), (230, 724408), (248, 671830), (254, 655960), (310, 537464), (368, 452755), (460, 362204), (496, 335915), (508, 327980), (529, 314960), (620, 268732), (635, 262384), (713, 233680), (920, 181102), (1016, 163990), (1058, 157480), (1240, 134366), (1270, 131192), (1426, 116840), (1840, 90551), (2032, 81995), (2116, 78740), (2480, 67183), (2540, 65596), (2645, 62992), (2852, 58420), (2921, 57040), (3565, 46736), (3937, 42320), (4232, 39370), (5080, 32798), (5290, 31496), (5704, 29210), (5842, 28520), (7130, 23368), (7874, 21160), (8464, 19685), (10160, 16399), (10580, 15748), (11408, 14605), (11684, 14260)]