178942920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{457}}^1$

素因数の和:735

約数の個数: 128

約数和(自身を含む): 581696640

約数和(自身を除く): 402753720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 251, 260, 312, 390, 457, 502, 520, 753, 780, 914, 1004, 1255, 1371, 1506, 1560, 1828, 2008, 2285, 2510, 2742, 3012, 3263, 3656, 3765, 4570, 5020, 5484, 5941, 6024, 6526, 6855, 7530, 9140, 9789, 10040, 10968, 11882, 13052, 13710, 15060, 16315, 17823, 18280, 19578, 23764, 26104, 27420, 29705, 30120, 32630, 35646, 39156, 47528, 48945, 54840, 59410, 65260, 71292, 78312, 89115, 97890, 114707, 118820, 130520, 142584, 178230, 195780, 229414, 237640, 344121, 356460, 391560, 458828, 573535, 688242, 712920, 917656, 1147070, 1376484, 1491191, 1720605, 2294140, 2752968, 2982382, 3441210, 4473573, 4588280, 5964764, 6882420, 7455955, 8947146, 11929528, 13764840, 14911910, 17894292, 22367865, 29823820, 35788584, 44735730, 59647640, 89471460, 178942920]

約数ペア:

[(1, 178942920), (2, 89471460), (3, 59647640), (4, 44735730), (5, 35788584), (6, 29823820), (8, 22367865), (10, 17894292), (12, 14911910), (13, 13764840), (15, 11929528), (20, 8947146), (24, 7455955), (26, 6882420), (30, 5964764), (39, 4588280), (40, 4473573), (52, 3441210), (60, 2982382), (65, 2752968), (78, 2294140), (104, 1720605), (120, 1491191), (130, 1376484), (156, 1147070), (195, 917656), (251, 712920), (260, 688242), (312, 573535), (390, 458828), (457, 391560), (502, 356460), (520, 344121), (753, 237640), (780, 229414), (914, 195780), (1004, 178230), (1255, 142584), (1371, 130520), (1506, 118820), (1560, 114707), (1828, 97890), (2008, 89115), (2285, 78312), (2510, 71292), (2742, 65260), (3012, 59410), (3263, 54840), (3656, 48945), (3765, 47528), (4570, 39156), (5020, 35646), (5484, 32630), (5941, 30120), (6024, 29705), (6526, 27420), (6855, 26104), (7530, 23764), (9140, 19578), (9789, 18280), (10040, 17823), (10968, 16315), (11882, 15060), (13052, 13710)]