15290340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19603}}^1$

素因数の和:19628

約数の個数: 48

約数和(自身を含む): 46108608

約数和(自身を除く): 30818268

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, 19603, 39206, 58809, 78412, 98015, 117618, 196030, 235236, 254839, 294045, 392060, 509678, 588090, 764517, 1019356, 1176180, 1274195, 1529034, 2548390, 3058068, 3822585, 5096780, 7645170, 15290340]

約数ペア:

[(1, 15290340), (2, 7645170), (3, 5096780), (4, 3822585), (5, 3058068), (6, 2548390), (10, 1529034), (12, 1274195), (13, 1176180), (15, 1019356), (20, 764517), (26, 588090), (30, 509678), (39, 392060), (52, 294045), (60, 254839), (65, 235236), (78, 196030), (130, 117618), (156, 98015), (195, 78412), (260, 58809), (390, 39206), (780, 19603)]