2720240

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{919}}^1$

素因数の和:969

約数の個数: 40

約数和(自身を含む): 6502560

約数和(自身を除く): 3782320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 919, 1480, 1838, 2960, 3676, 4595, 7352, 9190, 14704, 18380, 34003, 36760, 68006, 73520, 136012, 170015, 272024, 340030, 544048, 680060, 1360120, 2720240]

約数ペア:

[(1, 2720240), (2, 1360120), (4, 680060), (5, 544048), (8, 340030), (10, 272024), (16, 170015), (20, 136012), (37, 73520), (40, 68006), (74, 36760), (80, 34003), (148, 18380), (185, 14704), (296, 9190), (370, 7352), (592, 4595), (740, 3676), (919, 2960), (1480, 1838)]