155164920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{787}}^1$

素因数の和:885

約数の個数: 128

約数和(自身を含む): 490199040

約数和(自身を除く): 335034120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 53, 60, 62, 93, 106, 120, 124, 155, 159, 186, 212, 248, 265, 310, 318, 372, 424, 465, 530, 620, 636, 744, 787, 795, 930, 1060, 1240, 1272, 1574, 1590, 1643, 1860, 2120, 2361, 3148, 3180, 3286, 3720, 3935, 4722, 4929, 6296, 6360, 6572, 7870, 8215, 9444, 9858, 11805, 13144, 15740, 16430, 18888, 19716, 23610, 24397, 24645, 31480, 32860, 39432, 41711, 47220, 48794, 49290, 65720, 73191, 83422, 94440, 97588, 98580, 121985, 125133, 146382, 166844, 195176, 197160, 208555, 243970, 250266, 292764, 333688, 365955, 417110, 487940, 500532, 585528, 625665, 731910, 834220, 975880, 1001064, 1251330, 1293041, 1463820, 1668440, 2502660, 2586082, 2927640, 3879123, 5005320, 5172164, 6465205, 7758246, 10344328, 12930410, 15516492, 19395615, 25860820, 31032984, 38791230, 51721640, 77582460, 155164920]

約数ペア:

[(1, 155164920), (2, 77582460), (3, 51721640), (4, 38791230), (5, 31032984), (6, 25860820), (8, 19395615), (10, 15516492), (12, 12930410), (15, 10344328), (20, 7758246), (24, 6465205), (30, 5172164), (31, 5005320), (40, 3879123), (53, 2927640), (60, 2586082), (62, 2502660), (93, 1668440), (106, 1463820), (120, 1293041), (124, 1251330), (155, 1001064), (159, 975880), (186, 834220), (212, 731910), (248, 625665), (265, 585528), (310, 500532), (318, 487940), (372, 417110), (424, 365955), (465, 333688), (530, 292764), (620, 250266), (636, 243970), (744, 208555), (787, 197160), (795, 195176), (930, 166844), (1060, 146382), (1240, 125133), (1272, 121985), (1574, 98580), (1590, 97588), (1643, 94440), (1860, 83422), (2120, 73191), (2361, 65720), (3148, 49290), (3180, 48794), (3286, 47220), (3720, 41711), (3935, 39432), (4722, 32860), (4929, 31480), (6296, 24645), (6360, 24397), (6572, 23610), (7870, 19716), (8215, 18888), (9444, 16430), (9858, 15740), (11805, 13144)]