28996848880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{199483}}^1$

素因数の和:199598

約数の個数: 80

約数和(自身を含む): 71239726080

約数和(自身を除く): 42242877200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 79, 80, 92, 115, 158, 184, 230, 316, 368, 395, 460, 632, 790, 920, 1264, 1580, 1817, 1840, 3160, 3634, 6320, 7268, 9085, 14536, 18170, 29072, 36340, 72680, 145360, 199483, 398966, 797932, 997415, 1595864, 1994830, 3191728, 3989660, 4588109, 7979320, 9176218, 15759157, 15958640, 18352436, 22940545, 31518314, 36704872, 45881090, 63036628, 73409744, 78795785, 91762180, 126073256, 157591570, 183524360, 252146512, 315183140, 362460611, 367048720, 630366280, 724921222, 1260732560, 1449842444, 1812303055, 2899684888, 3624606110, 5799369776, 7249212220, 14498424440, 28996848880]

約数ペア:

[(1, 28996848880), (2, 14498424440), (4, 7249212220), (5, 5799369776), (8, 3624606110), (10, 2899684888), (16, 1812303055), (20, 1449842444), (23, 1260732560), (40, 724921222), (46, 630366280), (79, 367048720), (80, 362460611), (92, 315183140), (115, 252146512), (158, 183524360), (184, 157591570), (230, 126073256), (316, 91762180), (368, 78795785), (395, 73409744), (460, 63036628), (632, 45881090), (790, 36704872), (920, 31518314), (1264, 22940545), (1580, 18352436), (1817, 15958640), (1840, 15759157), (3160, 9176218), (3634, 7979320), (6320, 4588109), (7268, 3989660), (9085, 3191728), (14536, 1994830), (18170, 1595864), (29072, 997415), (36340, 797932), (72680, 398966), (145360, 199483)]