15149840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9967}}^1$

素因数の和:9999

約数の個数: 40

約数和(自身を含む): 37080960

約数和(自身を除く): 21931120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 9967, 19934, 39868, 49835, 79736, 99670, 159472, 189373, 199340, 378746, 398680, 757492, 797360, 946865, 1514984, 1893730, 3029968, 3787460, 7574920, 15149840]

約数ペア:

[(1, 15149840), (2, 7574920), (4, 3787460), (5, 3029968), (8, 1893730), (10, 1514984), (16, 946865), (19, 797360), (20, 757492), (38, 398680), (40, 378746), (76, 199340), (80, 189373), (95, 159472), (152, 99670), (190, 79736), (304, 49835), (380, 39868), (760, 19934), (1520, 9967)]