155655760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:465

約数の個数: 120

約数和(自身を含む): 406413720

約数和(自身を除く): 250757960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 104, 116, 130, 145, 169, 208, 232, 260, 290, 338, 377, 397, 464, 520, 580, 676, 754, 794, 845, 1040, 1160, 1352, 1508, 1588, 1690, 1885, 1985, 2320, 2704, 3016, 3176, 3380, 3770, 3970, 4901, 5161, 6032, 6352, 6760, 7540, 7940, 9802, 10322, 11513, 13520, 15080, 15880, 19604, 20644, 23026, 24505, 25805, 30160, 31760, 39208, 41288, 46052, 49010, 51610, 57565, 67093, 78416, 82576, 92104, 98020, 103220, 115130, 134186, 149669, 184208, 196040, 206440, 230260, 268372, 299338, 335465, 392080, 412880, 460520, 536744, 598676, 670930, 748345, 921040, 1073488, 1197352, 1341860, 1496690, 1945697, 2394704, 2683720, 2993380, 3891394, 5367440, 5986760, 7782788, 9728485, 11973520, 15565576, 19456970, 31131152, 38913940, 77827880, 155655760]

約数ペア:

[(1, 155655760), (2, 77827880), (4, 38913940), (5, 31131152), (8, 19456970), (10, 15565576), (13, 11973520), (16, 9728485), (20, 7782788), (26, 5986760), (29, 5367440), (40, 3891394), (52, 2993380), (58, 2683720), (65, 2394704), (80, 1945697), (104, 1496690), (116, 1341860), (130, 1197352), (145, 1073488), (169, 921040), (208, 748345), (232, 670930), (260, 598676), (290, 536744), (338, 460520), (377, 412880), (397, 392080), (464, 335465), (520, 299338), (580, 268372), (676, 230260), (754, 206440), (794, 196040), (845, 184208), (1040, 149669), (1160, 134186), (1352, 115130), (1508, 103220), (1588, 98020), (1690, 92104), (1885, 82576), (1985, 78416), (2320, 67093), (2704, 57565), (3016, 51610), (3176, 49010), (3380, 46052), (3770, 41288), (3970, 39208), (4901, 31760), (5161, 30160), (6032, 25805), (6352, 24505), (6760, 23026), (7540, 20644), (7940, 19604), (9802, 15880), (10322, 15080), (11513, 13520)]