15290260

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 33247872

約数和(自身を除く): 17957612

約数列:

[1, 2, 4, 5, 10, 20, 61, 83, 122, 151, 166, 244, 302, 305, 332, 415, 604, 610, 755, 830, 1220, 1510, 1660, 3020, 5063, 9211, 10126, 12533, 18422, 20252, 25066, 25315, 36844, 46055, 50132, 50630, 62665, 92110, 101260, 125330, 184220, 250660, 764513, 1529026, 3058052, 3822565, 7645130, 15290260]

約数ペア:

[(1, 15290260), (2, 7645130), (4, 3822565), (5, 3058052), (10, 1529026), (20, 764513), (61, 250660), (83, 184220), (122, 125330), (151, 101260), (166, 92110), (244, 62665), (302, 50630), (305, 50132), (332, 46055), (415, 36844), (604, 25315), (610, 25066), (755, 20252), (830, 18422), (1220, 12533), (1510, 10126), (1660, 9211), (3020, 5063)]