15555760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1607}}^1$

素因数の和:1642

約数の個数: 60

約数和(自身を含む): 39778704

約数和(自身を除く): 24222944

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1607, 1936, 2420, 3214, 4840, 6428, 8035, 9680, 12856, 16070, 17677, 25712, 32140, 35354, 64280, 70708, 88385, 128560, 141416, 176770, 194447, 282832, 353540, 388894, 707080, 777788, 972235, 1414160, 1555576, 1944470, 3111152, 3888940, 7777880, 15555760]

約数ペア:

[(1, 15555760), (2, 7777880), (4, 3888940), (5, 3111152), (8, 1944470), (10, 1555576), (11, 1414160), (16, 972235), (20, 777788), (22, 707080), (40, 388894), (44, 353540), (55, 282832), (80, 194447), (88, 176770), (110, 141416), (121, 128560), (176, 88385), (220, 70708), (242, 64280), (440, 35354), (484, 32140), (605, 25712), (880, 17677), (968, 16070), (1210, 12856), (1607, 9680), (1936, 8035), (2420, 6428), (3214, 4840)]