127136121640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{727823}}^1$

素因数の和:728242

約数の個数: 64

約数和(自身を含む): 312847868160

約数和(自身を除く): 185711746520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 397, 440, 794, 1588, 1985, 3176, 3970, 4367, 7940, 8734, 15880, 17468, 21835, 34936, 43670, 87340, 174680, 727823, 1455646, 2911292, 3639115, 5822584, 7278230, 8006053, 14556460, 16012106, 29112920, 32024212, 40030265, 64048424, 80060530, 160121060, 288945731, 320242120, 577891462, 1155782924, 1444728655, 2311565848, 2889457310, 3178403041, 5778914620, 6356806082, 11557829240, 12713612164, 15892015205, 25427224328, 31784030410, 63568060820, 127136121640]

約数ペア:

[(1, 127136121640), (2, 63568060820), (4, 31784030410), (5, 25427224328), (8, 15892015205), (10, 12713612164), (11, 11557829240), (20, 6356806082), (22, 5778914620), (40, 3178403041), (44, 2889457310), (55, 2311565848), (88, 1444728655), (110, 1155782924), (220, 577891462), (397, 320242120), (440, 288945731), (794, 160121060), (1588, 80060530), (1985, 64048424), (3176, 40030265), (3970, 32024212), (4367, 29112920), (7940, 16012106), (8734, 14556460), (15880, 8006053), (17468, 7278230), (21835, 5822584), (34936, 3639115), (43670, 2911292), (87340, 1455646), (174680, 727823)]