81901950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{433}}^1$

素因数の和:558

約数の個数: 96

約数和(自身を含む): 221506656

約数和(自身を除く): 139604706

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 97, 130, 150, 194, 195, 291, 325, 390, 433, 485, 582, 650, 866, 970, 975, 1261, 1299, 1455, 1950, 2165, 2425, 2522, 2598, 2910, 3783, 4330, 4850, 5629, 6305, 6495, 7275, 7566, 10825, 11258, 12610, 12990, 14550, 16887, 18915, 21650, 28145, 31525, 32475, 33774, 37830, 42001, 56290, 63050, 64950, 84002, 84435, 94575, 126003, 140725, 168870, 189150, 210005, 252006, 281450, 420010, 422175, 546013, 630015, 844350, 1050025, 1092026, 1260030, 1638039, 2100050, 2730065, 3150075, 3276078, 5460130, 6300150, 8190195, 13650325, 16380390, 27300650, 40950975, 81901950]

約数ペア:

[(1, 81901950), (2, 40950975), (3, 27300650), (5, 16380390), (6, 13650325), (10, 8190195), (13, 6300150), (15, 5460130), (25, 3276078), (26, 3150075), (30, 2730065), (39, 2100050), (50, 1638039), (65, 1260030), (75, 1092026), (78, 1050025), (97, 844350), (130, 630015), (150, 546013), (194, 422175), (195, 420010), (291, 281450), (325, 252006), (390, 210005), (433, 189150), (485, 168870), (582, 140725), (650, 126003), (866, 94575), (970, 84435), (975, 84002), (1261, 64950), (1299, 63050), (1455, 56290), (1950, 42001), (2165, 37830), (2425, 33774), (2522, 32475), (2598, 31525), (2910, 28145), (3783, 21650), (4330, 18915), (4850, 16887), (5629, 14550), (6305, 12990), (6495, 12610), (7275, 11258), (7566, 10825)]