2179649680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67607}}^1$

素因数の和:67664

約数の個数: 80

約数和(自身を含む): 5633639424

約数和(自身を除く): 3453989744

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16120, 32240, 67607, 135214, 270428, 338035, 540856, 676070, 878891, 1081712, 1352140, 1757782, 2095817, 2704280, 3515564, 4191634, 4394455, 5408560, 7031128, 8383268, 8788910, 10479085, 14062256, 16766536, 17577820, 20958170, 27245621, 33533072, 35155640, 41916340, 54491242, 70311280, 83832680, 108982484, 136228105, 167665360, 217964968, 272456210, 435929936, 544912420, 1089824840, 2179649680]

約数ペア:

[(1, 2179649680), (2, 1089824840), (4, 544912420), (5, 435929936), (8, 272456210), (10, 217964968), (13, 167665360), (16, 136228105), (20, 108982484), (26, 83832680), (31, 70311280), (40, 54491242), (52, 41916340), (62, 35155640), (65, 33533072), (80, 27245621), (104, 20958170), (124, 17577820), (130, 16766536), (155, 14062256), (208, 10479085), (248, 8788910), (260, 8383268), (310, 7031128), (403, 5408560), (496, 4394455), (520, 4191634), (620, 3515564), (806, 2704280), (1040, 2095817), (1240, 1757782), (1612, 1352140), (2015, 1081712), (2480, 878891), (3224, 676070), (4030, 540856), (6448, 338035), (8060, 270428), (16120, 135214), (32240, 67607)]