31197720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{373}}^1$

素因数の和:445

約数の個数: 128

約数和(自身を含む): 101787840

約数和(自身を除く): 70590120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 41, 51, 60, 68, 82, 85, 102, 120, 123, 136, 164, 170, 204, 205, 246, 255, 328, 340, 373, 408, 410, 492, 510, 615, 680, 697, 746, 820, 984, 1020, 1119, 1230, 1394, 1492, 1640, 1865, 2040, 2091, 2238, 2460, 2788, 2984, 3485, 3730, 4182, 4476, 4920, 5576, 5595, 6341, 6970, 7460, 8364, 8952, 10455, 11190, 12682, 13940, 14920, 15293, 16728, 19023, 20910, 22380, 25364, 27880, 30586, 31705, 38046, 41820, 44760, 45879, 50728, 61172, 63410, 76092, 76465, 83640, 91758, 95115, 122344, 126820, 152184, 152930, 183516, 190230, 229395, 253640, 259981, 305860, 367032, 380460, 458790, 519962, 611720, 760920, 779943, 917580, 1039924, 1299905, 1559886, 1835160, 2079848, 2599810, 3119772, 3899715, 5199620, 6239544, 7799430, 10399240, 15598860, 31197720]

約数ペア:

[(1, 31197720), (2, 15598860), (3, 10399240), (4, 7799430), (5, 6239544), (6, 5199620), (8, 3899715), (10, 3119772), (12, 2599810), (15, 2079848), (17, 1835160), (20, 1559886), (24, 1299905), (30, 1039924), (34, 917580), (40, 779943), (41, 760920), (51, 611720), (60, 519962), (68, 458790), (82, 380460), (85, 367032), (102, 305860), (120, 259981), (123, 253640), (136, 229395), (164, 190230), (170, 183516), (204, 152930), (205, 152184), (246, 126820), (255, 122344), (328, 95115), (340, 91758), (373, 83640), (408, 76465), (410, 76092), (492, 63410), (510, 61172), (615, 50728), (680, 45879), (697, 44760), (746, 41820), (820, 38046), (984, 31705), (1020, 30586), (1119, 27880), (1230, 25364), (1394, 22380), (1492, 20910), (1640, 19023), (1865, 16728), (2040, 15293), (2091, 14920), (2238, 13940), (2460, 12682), (2788, 11190), (2984, 10455), (3485, 8952), (3730, 8364), (4182, 7460), (4476, 6970), (4920, 6341), (5576, 5595)]