15081220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1399}}^1$

素因数の和:1433

約数の個数: 72

約数和(自身を含む): 40219200

約数和(自身を除く): 25137980

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1399, 1540, 2156, 2695, 2798, 5390, 5596, 6995, 9793, 10780, 13990, 15389, 19586, 27980, 30778, 39172, 48965, 61556, 68551, 76945, 97930, 107723, 137102, 153890, 195860, 215446, 274204, 307780, 342755, 430892, 538615, 685510, 754061, 1077230, 1371020, 1508122, 2154460, 3016244, 3770305, 7540610, 15081220]

約数ペア:

[(1, 15081220), (2, 7540610), (4, 3770305), (5, 3016244), (7, 2154460), (10, 1508122), (11, 1371020), (14, 1077230), (20, 754061), (22, 685510), (28, 538615), (35, 430892), (44, 342755), (49, 307780), (55, 274204), (70, 215446), (77, 195860), (98, 153890), (110, 137102), (140, 107723), (154, 97930), (196, 76945), (220, 68551), (245, 61556), (308, 48965), (385, 39172), (490, 30778), (539, 27980), (770, 19586), (980, 15389), (1078, 13990), (1399, 10780), (1540, 9793), (2156, 6995), (2695, 5596), (2798, 5390)]