280729560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{123127}}^1$

素因数の和:123160

約数の個数: 64

約数和(自身を含む): 886521600

約数和(自身を除く): 605792040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 123127, 246254, 369381, 492508, 615635, 738762, 985016, 1231270, 1477524, 1846905, 2339413, 2462540, 2955048, 3693810, 4678826, 4925080, 7018239, 7387620, 9357652, 11697065, 14036478, 14775240, 18715304, 23394130, 28072956, 35091195, 46788260, 56145912, 70182390, 93576520, 140364780, 280729560]

約数ペア:

[(1, 280729560), (2, 140364780), (3, 93576520), (4, 70182390), (5, 56145912), (6, 46788260), (8, 35091195), (10, 28072956), (12, 23394130), (15, 18715304), (19, 14775240), (20, 14036478), (24, 11697065), (30, 9357652), (38, 7387620), (40, 7018239), (57, 4925080), (60, 4678826), (76, 3693810), (95, 2955048), (114, 2462540), (120, 2339413), (152, 1846905), (190, 1477524), (228, 1231270), (285, 985016), (380, 738762), (456, 615635), (570, 492508), (760, 369381), (1140, 246254), (2280, 123127)]