420156640

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 192

約数和(自身を含む): 1114767360

約数和(自身を除く): 694610720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 31, 32, 40, 46, 58, 62, 80, 92, 115, 116, 124, 127, 145, 155, 160, 184, 230, 232, 248, 254, 290, 310, 368, 460, 464, 496, 508, 580, 620, 635, 667, 713, 736, 899, 920, 928, 992, 1016, 1160, 1240, 1270, 1334, 1426, 1798, 1840, 2032, 2320, 2480, 2540, 2668, 2852, 2921, 3335, 3565, 3596, 3680, 3683, 3937, 4064, 4495, 4640, 4960, 5080, 5336, 5704, 5842, 6670, 7130, 7192, 7366, 7874, 8990, 10160, 10672, 11408, 11684, 13340, 14260, 14384, 14605, 14732, 15748, 17980, 18415, 19685, 20320, 20677, 21344, 22816, 23368, 26680, 28520, 28768, 29210, 29464, 31496, 35960, 36830, 39370, 41354, 46736, 53360, 57040, 58420, 58928, 62992, 71920, 73660, 78740, 82708, 84709, 90551, 93472, 103385, 106720, 114080, 114173, 116840, 117856, 125984, 143840, 147320, 157480, 165416, 169418, 181102, 206770, 228346, 233680, 294640, 314960, 330832, 338836, 362204, 413540, 423545, 452755, 456692, 467360, 570865, 589280, 629920, 661664, 677672, 724408, 827080, 847090, 905510, 913384, 1141730, 1355344, 1448816, 1654160, 1694180, 1811020, 1826768, 2283460, 2625979, 2710688, 2897632, 3308320, 3388360, 3622040, 3653536, 4566920, 5251958, 6776720, 7244080, 9133840, 10503916, 13129895, 13553440, 14488160, 18267680, 21007832, 26259790, 42015664, 52519580, 84031328, 105039160, 210078320, 420156640]

約数ペア:

[(1, 420156640), (2, 210078320), (4, 105039160), (5, 84031328), (8, 52519580), (10, 42015664), (16, 26259790), (20, 21007832), (23, 18267680), (29, 14488160), (31, 13553440), (32, 13129895), (40, 10503916), (46, 9133840), (58, 7244080), (62, 6776720), (80, 5251958), (92, 4566920), (115, 3653536), (116, 3622040), (124, 3388360), (127, 3308320), (145, 2897632), (155, 2710688), (160, 2625979), (184, 2283460), (230, 1826768), (232, 1811020), (248, 1694180), (254, 1654160), (290, 1448816), (310, 1355344), (368, 1141730), (460, 913384), (464, 905510), (496, 847090), (508, 827080), (580, 724408), (620, 677672), (635, 661664), (667, 629920), (713, 589280), (736, 570865), (899, 467360), (920, 456692), (928, 452755), (992, 423545), (1016, 413540), (1160, 362204), (1240, 338836), (1270, 330832), (1334, 314960), (1426, 294640), (1798, 233680), (1840, 228346), (2032, 206770), (2320, 181102), (2480, 169418), (2540, 165416), (2668, 157480), (2852, 147320), (2921, 143840), (3335, 125984), (3565, 117856), (3596, 116840), (3680, 114173), (3683, 114080), (3937, 106720), (4064, 103385), (4495, 93472), (4640, 90551), (4960, 84709), (5080, 82708), (5336, 78740), (5704, 73660), (5842, 71920), (6670, 62992), (7130, 58928), (7192, 58420), (7366, 57040), (7874, 53360), (8990, 46736), (10160, 41354), (10672, 39370), (11408, 36830), (11684, 35960), (13340, 31496), (14260, 29464), (14384, 29210), (14605, 28768), (14732, 28520), (15748, 26680), (17980, 23368), (18415, 22816), (19685, 21344), (20320, 20677)]