15761260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 36484560

約数和(自身を除く): 20723300

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 59, 74, 76, 95, 118, 148, 185, 190, 236, 295, 361, 370, 380, 590, 703, 722, 740, 1121, 1180, 1406, 1444, 1805, 2183, 2242, 2812, 3515, 3610, 4366, 4484, 5605, 7030, 7220, 8732, 10915, 11210, 13357, 14060, 21299, 21830, 22420, 26714, 41477, 42598, 43660, 53428, 66785, 82954, 85196, 106495, 133570, 165908, 207385, 212990, 267140, 414770, 425980, 788063, 829540, 1576126, 3152252, 3940315, 7880630, 15761260]

約数ペア:

[(1, 15761260), (2, 7880630), (4, 3940315), (5, 3152252), (10, 1576126), (19, 829540), (20, 788063), (37, 425980), (38, 414770), (59, 267140), (74, 212990), (76, 207385), (95, 165908), (118, 133570), (148, 106495), (185, 85196), (190, 82954), (236, 66785), (295, 53428), (361, 43660), (370, 42598), (380, 41477), (590, 26714), (703, 22420), (722, 21830), (740, 21299), (1121, 14060), (1180, 13357), (1406, 11210), (1444, 10915), (1805, 8732), (2183, 7220), (2242, 7030), (2812, 5605), (3515, 4484), (3610, 4366)]