15110920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 37765440

約数和(自身を除く): 22654520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 563, 610, 671, 1126, 1220, 1342, 2252, 2440, 2684, 2815, 3355, 4504, 5368, 5630, 6193, 6710, 11260, 12386, 13420, 22520, 24772, 26840, 30965, 34343, 49544, 61930, 68686, 123860, 137372, 171715, 247720, 274744, 343430, 377773, 686860, 755546, 1373720, 1511092, 1888865, 3022184, 3777730, 7555460, 15110920]

約数ペア:

[(1, 15110920), (2, 7555460), (4, 3777730), (5, 3022184), (8, 1888865), (10, 1511092), (11, 1373720), (20, 755546), (22, 686860), (40, 377773), (44, 343430), (55, 274744), (61, 247720), (88, 171715), (110, 137372), (122, 123860), (220, 68686), (244, 61930), (305, 49544), (440, 34343), (488, 30965), (563, 26840), (610, 24772), (671, 22520), (1126, 13420), (1220, 12386), (1342, 11260), (2252, 6710), (2440, 6193), (2684, 5630), (2815, 5368), (3355, 4504)]