991567320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{30491}}^1$

素因数の和:30776

約数の個数: 64

約数和(自身を含む): 2985776640

約数和(自身を除く): 1994209320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 271, 542, 813, 1084, 1355, 1626, 2168, 2710, 3252, 4065, 5420, 6504, 8130, 10840, 16260, 30491, 32520, 60982, 91473, 121964, 152455, 182946, 243928, 304910, 365892, 457365, 609820, 731784, 914730, 1219640, 1829460, 3658920, 8263061, 16526122, 24789183, 33052244, 41315305, 49578366, 66104488, 82630610, 99156732, 123945915, 165261220, 198313464, 247891830, 330522440, 495783660, 991567320]

約数ペア:

[(1, 991567320), (2, 495783660), (3, 330522440), (4, 247891830), (5, 198313464), (6, 165261220), (8, 123945915), (10, 99156732), (12, 82630610), (15, 66104488), (20, 49578366), (24, 41315305), (30, 33052244), (40, 24789183), (60, 16526122), (120, 8263061), (271, 3658920), (542, 1829460), (813, 1219640), (1084, 914730), (1355, 731784), (1626, 609820), (2168, 457365), (2710, 365892), (3252, 304910), (4065, 243928), (5420, 182946), (6504, 152455), (8130, 121964), (10840, 91473), (16260, 60982), (30491, 32520)]