15028720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:638

約数の個数: 80

約数和(自身を含む): 40854528

約数和(自身を除く): 25825808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 571, 658, 752, 940, 1142, 1316, 1645, 1880, 2284, 2632, 2855, 3290, 3760, 3997, 4568, 5264, 5710, 6580, 7994, 9136, 11420, 13160, 15988, 19985, 22840, 26320, 26837, 31976, 39970, 45680, 53674, 63952, 79940, 107348, 134185, 159880, 187859, 214696, 268370, 319760, 375718, 429392, 536740, 751436, 939295, 1073480, 1502872, 1878590, 2146960, 3005744, 3757180, 7514360, 15028720]

約数ペア:

[(1, 15028720), (2, 7514360), (4, 3757180), (5, 3005744), (7, 2146960), (8, 1878590), (10, 1502872), (14, 1073480), (16, 939295), (20, 751436), (28, 536740), (35, 429392), (40, 375718), (47, 319760), (56, 268370), (70, 214696), (80, 187859), (94, 159880), (112, 134185), (140, 107348), (188, 79940), (235, 63952), (280, 53674), (329, 45680), (376, 39970), (470, 31976), (560, 26837), (571, 26320), (658, 22840), (752, 19985), (940, 15988), (1142, 13160), (1316, 11420), (1645, 9136), (1880, 7994), (2284, 6580), (2632, 5710), (2855, 5264), (3290, 4568), (3760, 3997)]