15295020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19609}}^1$

素因数の和:19634

約数の個数: 48

約数和(自身を含む): 46122720

約数和(自身を除く): 30827700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 19609, 39218, 58827, 78436, 98045, 117654, 196090, 235308, 254917, 294135, 392180, 509834, 588270, 764751, 1019668, 1176540, 1274585, 1529502, 2549170, 3059004, 3823755, 5098340, 7647510, 15295020]

約数ペア:

[(1, 15295020), (2, 7647510), (3, 5098340), (4, 3823755), (5, 3059004), (6, 2549170), (10, 1529502), (12, 1274585), (13, 1176540), (15, 1019668), (20, 764751), (26, 588270), (30, 509834), (39, 392180), (52, 294135), (60, 254917), (65, 235308), (78, 196090), (130, 117654), (156, 98045), (195, 78436), (260, 58827), (390, 39218), (780, 19609)]