201815120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4733}}^1$

素因数の和:4800

約数の個数: 80

約数和(自身を含む): 517748112

約数和(自身を除く): 315932992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1640, 2132, 2665, 3280, 4264, 4733, 5330, 8528, 9466, 10660, 18932, 21320, 23665, 37864, 42640, 47330, 61529, 75728, 94660, 123058, 189320, 194053, 246116, 307645, 378640, 388106, 492232, 615290, 776212, 970265, 984464, 1230580, 1552424, 1940530, 2461160, 2522689, 3104848, 3881060, 4922320, 5045378, 7762120, 10090756, 12613445, 15524240, 20181512, 25226890, 40363024, 50453780, 100907560, 201815120]

約数ペア:

[(1, 201815120), (2, 100907560), (4, 50453780), (5, 40363024), (8, 25226890), (10, 20181512), (13, 15524240), (16, 12613445), (20, 10090756), (26, 7762120), (40, 5045378), (41, 4922320), (52, 3881060), (65, 3104848), (80, 2522689), (82, 2461160), (104, 1940530), (130, 1552424), (164, 1230580), (205, 984464), (208, 970265), (260, 776212), (328, 615290), (410, 492232), (520, 388106), (533, 378640), (656, 307645), (820, 246116), (1040, 194053), (1066, 189320), (1640, 123058), (2132, 94660), (2665, 75728), (3280, 61529), (4264, 47330), (4733, 42640), (5330, 37864), (8528, 23665), (9466, 21320), (10660, 18932)]