81420240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{30841}}^1$

素因数の和:30868

約数の個数: 80

約数和(自身を含む): 275357376

約数和(自身を除く): 193937136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 30841, 61682, 92523, 123364, 154205, 185046, 246728, 308410, 339251, 370092, 462615, 493456, 616820, 678502, 740184, 925230, 1017753, 1233640, 1357004, 1480368, 1696255, 1850460, 2035506, 2467280, 2714008, 3392510, 3700920, 4071012, 5088765, 5428016, 6785020, 7401840, 8142024, 10177530, 13570040, 16284048, 20355060, 27140080, 40710120, 81420240]

約数ペア:

[(1, 81420240), (2, 40710120), (3, 27140080), (4, 20355060), (5, 16284048), (6, 13570040), (8, 10177530), (10, 8142024), (11, 7401840), (12, 6785020), (15, 5428016), (16, 5088765), (20, 4071012), (22, 3700920), (24, 3392510), (30, 2714008), (33, 2467280), (40, 2035506), (44, 1850460), (48, 1696255), (55, 1480368), (60, 1357004), (66, 1233640), (80, 1017753), (88, 925230), (110, 740184), (120, 678502), (132, 616820), (165, 493456), (176, 462615), (220, 370092), (240, 339251), (264, 308410), (330, 246728), (440, 185046), (528, 154205), (660, 123364), (880, 92523), (1320, 61682), (2640, 30841)]