140765820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{719}}^1$

素因数の和:995

約数の個数: 96

約数和(自身を含む): 426746880

約数和(自身を除く): 285981060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 251, 260, 390, 502, 719, 753, 780, 1004, 1255, 1438, 1506, 2157, 2510, 2876, 3012, 3263, 3595, 3765, 4314, 5020, 6526, 7190, 7530, 8628, 9347, 9789, 10785, 13052, 14380, 15060, 16315, 18694, 19578, 21570, 28041, 32630, 37388, 39156, 43140, 46735, 48945, 56082, 65260, 93470, 97890, 112164, 140205, 180469, 186940, 195780, 280410, 360938, 541407, 560820, 721876, 902345, 1082814, 1804690, 2165628, 2346097, 2707035, 3609380, 4692194, 5414070, 7038291, 9384388, 10828140, 11730485, 14076582, 23460970, 28153164, 35191455, 46921940, 70382910, 140765820]

約数ペア:

[(1, 140765820), (2, 70382910), (3, 46921940), (4, 35191455), (5, 28153164), (6, 23460970), (10, 14076582), (12, 11730485), (13, 10828140), (15, 9384388), (20, 7038291), (26, 5414070), (30, 4692194), (39, 3609380), (52, 2707035), (60, 2346097), (65, 2165628), (78, 1804690), (130, 1082814), (156, 902345), (195, 721876), (251, 560820), (260, 541407), (390, 360938), (502, 280410), (719, 195780), (753, 186940), (780, 180469), (1004, 140205), (1255, 112164), (1438, 97890), (1506, 93470), (2157, 65260), (2510, 56082), (2876, 48945), (3012, 46735), (3263, 43140), (3595, 39156), (3765, 37388), (4314, 32630), (5020, 28041), (6526, 21570), (7190, 19578), (7530, 18694), (8628, 16315), (9347, 15060), (9789, 14380), (10785, 13052)]