280770120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{991}}^1$

素因数の和:1795

約数の個数: 96

約数和(自身を含む): 914584320

約数和(自身を除く): 633814200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 787, 991, 1574, 1982, 2361, 2973, 3148, 3935, 3964, 4722, 4955, 5946, 6296, 7083, 7870, 7928, 8919, 9444, 9910, 11805, 11892, 14166, 14865, 15740, 17838, 18888, 19820, 23610, 23784, 28332, 29730, 31480, 35415, 35676, 39640, 44595, 47220, 56664, 59460, 70830, 71352, 89190, 94440, 118920, 141660, 178380, 283320, 356760, 779917, 1559834, 2339751, 3119668, 3899585, 4679502, 6239336, 7019253, 7799170, 9359004, 11698755, 14038506, 15598340, 18718008, 23397510, 28077012, 31196680, 35096265, 46795020, 56154024, 70192530, 93590040, 140385060, 280770120]

約数ペア:

[(1, 280770120), (2, 140385060), (3, 93590040), (4, 70192530), (5, 56154024), (6, 46795020), (8, 35096265), (9, 31196680), (10, 28077012), (12, 23397510), (15, 18718008), (18, 15598340), (20, 14038506), (24, 11698755), (30, 9359004), (36, 7799170), (40, 7019253), (45, 6239336), (60, 4679502), (72, 3899585), (90, 3119668), (120, 2339751), (180, 1559834), (360, 779917), (787, 356760), (991, 283320), (1574, 178380), (1982, 141660), (2361, 118920), (2973, 94440), (3148, 89190), (3935, 71352), (3964, 70830), (4722, 59460), (4955, 56664), (5946, 47220), (6296, 44595), (7083, 39640), (7870, 35676), (7928, 35415), (8919, 31480), (9444, 29730), (9910, 28332), (11805, 23784), (11892, 23610), (14166, 19820), (14865, 18888), (15740, 17838)]