31495920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6907}}^1$

素因数の和:6942

約数の個数: 80

約数和(自身を含む): 102791040

約数和(自身を除く): 71295120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 6907, 13814, 20721, 27628, 34535, 41442, 55256, 69070, 82884, 103605, 110512, 131233, 138140, 165768, 207210, 262466, 276280, 331536, 393699, 414420, 524932, 552560, 656165, 787398, 828840, 1049864, 1312330, 1574796, 1657680, 1968495, 2099728, 2624660, 3149592, 3936990, 5249320, 6299184, 7873980, 10498640, 15747960, 31495920]

約数ペア:

[(1, 31495920), (2, 15747960), (3, 10498640), (4, 7873980), (5, 6299184), (6, 5249320), (8, 3936990), (10, 3149592), (12, 2624660), (15, 2099728), (16, 1968495), (19, 1657680), (20, 1574796), (24, 1312330), (30, 1049864), (38, 828840), (40, 787398), (48, 656165), (57, 552560), (60, 524932), (76, 414420), (80, 393699), (95, 331536), (114, 276280), (120, 262466), (152, 207210), (190, 165768), (228, 138140), (240, 131233), (285, 110512), (304, 103605), (380, 82884), (456, 69070), (570, 55256), (760, 41442), (912, 34535), (1140, 27628), (1520, 20721), (2280, 13814), (4560, 6907)]