156728080

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{571}}^1$

素因数の和:704

約数の個数: 80

約数和(自身を含む): 377904384

約数和(自身を除く): 221176304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 73, 80, 94, 146, 188, 235, 292, 365, 376, 470, 571, 584, 730, 752, 940, 1142, 1168, 1460, 1880, 2284, 2855, 2920, 3431, 3760, 4568, 5710, 5840, 6862, 9136, 11420, 13724, 17155, 22840, 26837, 27448, 34310, 41683, 45680, 53674, 54896, 68620, 83366, 107348, 134185, 137240, 166732, 208415, 214696, 268370, 274480, 333464, 416830, 429392, 536740, 666928, 833660, 1073480, 1667320, 1959101, 2146960, 3334640, 3918202, 7836404, 9795505, 15672808, 19591010, 31345616, 39182020, 78364040, 156728080]

約数ペア:

[(1, 156728080), (2, 78364040), (4, 39182020), (5, 31345616), (8, 19591010), (10, 15672808), (16, 9795505), (20, 7836404), (40, 3918202), (47, 3334640), (73, 2146960), (80, 1959101), (94, 1667320), (146, 1073480), (188, 833660), (235, 666928), (292, 536740), (365, 429392), (376, 416830), (470, 333464), (571, 274480), (584, 268370), (730, 214696), (752, 208415), (940, 166732), (1142, 137240), (1168, 134185), (1460, 107348), (1880, 83366), (2284, 68620), (2855, 54896), (2920, 53674), (3431, 45680), (3760, 41683), (4568, 34310), (5710, 27448), (5840, 26837), (6862, 22840), (9136, 17155), (11420, 13724)]