1293520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:92

約数の個数: 80

約数和(自身を含む): 3392640

約数和(自身を除く): 2099120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 37, 38, 40, 46, 74, 76, 80, 92, 95, 115, 148, 152, 184, 185, 190, 230, 296, 304, 368, 370, 380, 437, 460, 592, 703, 740, 760, 851, 874, 920, 1406, 1480, 1520, 1702, 1748, 1840, 2185, 2812, 2960, 3404, 3496, 3515, 4255, 4370, 5624, 6808, 6992, 7030, 8510, 8740, 11248, 13616, 14060, 16169, 17020, 17480, 28120, 32338, 34040, 34960, 56240, 64676, 68080, 80845, 129352, 161690, 258704, 323380, 646760, 1293520]

約数ペア:

[(1, 1293520), (2, 646760), (4, 323380), (5, 258704), (8, 161690), (10, 129352), (16, 80845), (19, 68080), (20, 64676), (23, 56240), (37, 34960), (38, 34040), (40, 32338), (46, 28120), (74, 17480), (76, 17020), (80, 16169), (92, 14060), (95, 13616), (115, 11248), (148, 8740), (152, 8510), (184, 7030), (185, 6992), (190, 6808), (230, 5624), (296, 4370), (304, 4255), (368, 3515), (370, 3496), (380, 3404), (437, 2960), (460, 2812), (592, 2185), (703, 1840), (740, 1748), (760, 1702), (851, 1520), (874, 1480), (920, 1406)]