147280640

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:254

約数の個数: 144

約数和(自身を含む): 389406528

約数和(自身を除く): 242125888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 53, 64, 65, 80, 104, 106, 128, 130, 160, 167, 208, 212, 256, 260, 265, 320, 334, 416, 424, 520, 530, 640, 668, 689, 832, 835, 848, 1040, 1060, 1280, 1336, 1378, 1664, 1670, 1696, 2080, 2120, 2171, 2672, 2756, 3328, 3340, 3392, 3445, 4160, 4240, 4342, 5344, 5512, 6680, 6784, 6890, 8320, 8480, 8684, 8851, 10688, 10855, 11024, 13360, 13568, 13780, 16640, 16960, 17368, 17702, 21376, 21710, 22048, 26720, 27560, 33920, 34736, 35404, 42752, 43420, 44096, 44255, 53440, 55120, 67840, 69472, 70808, 86840, 88192, 88510, 106880, 110240, 115063, 138944, 141616, 173680, 176384, 177020, 213760, 220480, 230126, 277888, 283232, 347360, 354040, 440960, 460252, 555776, 566464, 575315, 694720, 708080, 881920, 920504, 1132928, 1150630, 1389440, 1416160, 1841008, 2265856, 2301260, 2778880, 2832320, 3682016, 4602520, 5664640, 7364032, 9205040, 11329280, 14728064, 18410080, 29456128, 36820160, 73640320, 147280640]

約数ペア:

[(1, 147280640), (2, 73640320), (4, 36820160), (5, 29456128), (8, 18410080), (10, 14728064), (13, 11329280), (16, 9205040), (20, 7364032), (26, 5664640), (32, 4602520), (40, 3682016), (52, 2832320), (53, 2778880), (64, 2301260), (65, 2265856), (80, 1841008), (104, 1416160), (106, 1389440), (128, 1150630), (130, 1132928), (160, 920504), (167, 881920), (208, 708080), (212, 694720), (256, 575315), (260, 566464), (265, 555776), (320, 460252), (334, 440960), (416, 354040), (424, 347360), (520, 283232), (530, 277888), (640, 230126), (668, 220480), (689, 213760), (832, 177020), (835, 176384), (848, 173680), (1040, 141616), (1060, 138944), (1280, 115063), (1336, 110240), (1378, 106880), (1664, 88510), (1670, 88192), (1696, 86840), (2080, 70808), (2120, 69472), (2171, 67840), (2672, 55120), (2756, 53440), (3328, 44255), (3340, 44096), (3392, 43420), (3445, 42752), (4160, 35404), (4240, 34736), (4342, 33920), (5344, 27560), (5512, 26720), (6680, 22048), (6784, 21710), (6890, 21376), (8320, 17702), (8480, 17368), (8684, 16960), (8851, 16640), (10688, 13780), (10855, 13568), (11024, 13360)]