60640780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 138641328

約数和(自身を除く): 78000548

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 227, 361, 370, 380, 454, 703, 722, 740, 908, 1135, 1406, 1444, 1805, 2270, 2812, 3515, 3610, 4313, 4540, 7030, 7220, 8399, 8626, 13357, 14060, 16798, 17252, 21565, 26714, 33596, 41995, 43130, 53428, 66785, 81947, 83990, 86260, 133570, 159581, 163894, 167980, 267140, 319162, 327788, 409735, 638324, 797905, 819470, 1595810, 1638940, 3032039, 3191620, 6064078, 12128156, 15160195, 30320390, 60640780]

約数ペア:

[(1, 60640780), (2, 30320390), (4, 15160195), (5, 12128156), (10, 6064078), (19, 3191620), (20, 3032039), (37, 1638940), (38, 1595810), (74, 819470), (76, 797905), (95, 638324), (148, 409735), (185, 327788), (190, 319162), (227, 267140), (361, 167980), (370, 163894), (380, 159581), (454, 133570), (703, 86260), (722, 83990), (740, 81947), (908, 66785), (1135, 53428), (1406, 43130), (1444, 41995), (1805, 33596), (2270, 26714), (2812, 21565), (3515, 17252), (3610, 16798), (4313, 14060), (4540, 13357), (7030, 8626), (7220, 8399)]