221265840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{659}}^1\times {\mathrm{1399}}^1$

素因数の和:2074

約数の個数: 80

約数和(自身を含む): 687456000

約数和(自身を除く): 466190160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 659, 1318, 1399, 1977, 2636, 2798, 3295, 3954, 4197, 5272, 5596, 6590, 6995, 7908, 8394, 9885, 10544, 11192, 13180, 13990, 15816, 16788, 19770, 20985, 22384, 26360, 27980, 31632, 33576, 39540, 41970, 52720, 55960, 67152, 79080, 83940, 111920, 158160, 167880, 335760, 921941, 1843882, 2765823, 3687764, 4609705, 5531646, 7375528, 9219410, 11063292, 13829115, 14751056, 18438820, 22126584, 27658230, 36877640, 44253168, 55316460, 73755280, 110632920, 221265840]

約数ペア:

[(1, 221265840), (2, 110632920), (3, 73755280), (4, 55316460), (5, 44253168), (6, 36877640), (8, 27658230), (10, 22126584), (12, 18438820), (15, 14751056), (16, 13829115), (20, 11063292), (24, 9219410), (30, 7375528), (40, 5531646), (48, 4609705), (60, 3687764), (80, 2765823), (120, 1843882), (240, 921941), (659, 335760), (1318, 167880), (1399, 158160), (1977, 111920), (2636, 83940), (2798, 79080), (3295, 67152), (3954, 55960), (4197, 52720), (5272, 41970), (5596, 39540), (6590, 33576), (6995, 31632), (7908, 27980), (8394, 26360), (9885, 22384), (10544, 20985), (11192, 19770), (13180, 16788), (13990, 15816)]