18461640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6689}}^1$

素因数の和:6726

約数の個数: 64

約数和(自身を含む): 57801600

約数和(自身を除く): 39339960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 6689, 13378, 20067, 26756, 33445, 40134, 53512, 66890, 80268, 100335, 133780, 153847, 160536, 200670, 267560, 307694, 401340, 461541, 615388, 769235, 802680, 923082, 1230776, 1538470, 1846164, 2307705, 3076940, 3692328, 4615410, 6153880, 9230820, 18461640]

約数ペア:

[(1, 18461640), (2, 9230820), (3, 6153880), (4, 4615410), (5, 3692328), (6, 3076940), (8, 2307705), (10, 1846164), (12, 1538470), (15, 1230776), (20, 923082), (23, 802680), (24, 769235), (30, 615388), (40, 461541), (46, 401340), (60, 307694), (69, 267560), (92, 200670), (115, 160536), (120, 153847), (138, 133780), (184, 100335), (230, 80268), (276, 66890), (345, 53512), (460, 40134), (552, 33445), (690, 26756), (920, 20067), (1380, 13378), (2760, 6689)]