72217480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{569}}^1$

素因数の和:766

約数の個数: 64

約数和(自身を含む): 172368000

約数和(自身を除く): 100150520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 167, 190, 334, 380, 569, 668, 760, 835, 1138, 1336, 1670, 2276, 2845, 3173, 3340, 4552, 5690, 6346, 6680, 10811, 11380, 12692, 15865, 21622, 22760, 25384, 31730, 43244, 54055, 63460, 86488, 95023, 108110, 126920, 190046, 216220, 380092, 432440, 475115, 760184, 950230, 1805437, 1900460, 3610874, 3800920, 7221748, 9027185, 14443496, 18054370, 36108740, 72217480]

約数ペア:

[(1, 72217480), (2, 36108740), (4, 18054370), (5, 14443496), (8, 9027185), (10, 7221748), (19, 3800920), (20, 3610874), (38, 1900460), (40, 1805437), (76, 950230), (95, 760184), (152, 475115), (167, 432440), (190, 380092), (334, 216220), (380, 190046), (569, 126920), (668, 108110), (760, 95023), (835, 86488), (1138, 63460), (1336, 54055), (1670, 43244), (2276, 31730), (2845, 25384), (3173, 22760), (3340, 21622), (4552, 15865), (5690, 12692), (6346, 11380), (6680, 10811)]