72159880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{919}}^1$

素因数の和:1094

約数の個数: 64

約数和(自身を含む): 176198400

約数和(自身を除く): 104038520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 151, 260, 302, 520, 604, 755, 919, 1208, 1510, 1838, 1963, 3020, 3676, 3926, 4595, 6040, 7352, 7852, 9190, 9815, 11947, 15704, 18380, 19630, 23894, 36760, 39260, 47788, 59735, 78520, 95576, 119470, 138769, 238940, 277538, 477880, 555076, 693845, 1110152, 1387690, 1803997, 2775380, 3607994, 5550760, 7215988, 9019985, 14431976, 18039970, 36079940, 72159880]

約数ペア:

[(1, 72159880), (2, 36079940), (4, 18039970), (5, 14431976), (8, 9019985), (10, 7215988), (13, 5550760), (20, 3607994), (26, 2775380), (40, 1803997), (52, 1387690), (65, 1110152), (104, 693845), (130, 555076), (151, 477880), (260, 277538), (302, 238940), (520, 138769), (604, 119470), (755, 95576), (919, 78520), (1208, 59735), (1510, 47788), (1838, 39260), (1963, 36760), (3020, 23894), (3676, 19630), (3926, 18380), (4595, 15704), (6040, 11947), (7352, 9815), (7852, 9190)]