78563120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{947}}^1$

素因数の和:1038

約数の個数: 80

約数和(自身を含む): 196782048

約数和(自身を除く): 118218928

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 61, 68, 80, 85, 122, 136, 170, 244, 272, 305, 340, 488, 610, 680, 947, 976, 1037, 1220, 1360, 1894, 2074, 2440, 3788, 4148, 4735, 4880, 5185, 7576, 8296, 9470, 10370, 15152, 16099, 16592, 18940, 20740, 32198, 37880, 41480, 57767, 64396, 75760, 80495, 82960, 115534, 128792, 160990, 231068, 257584, 288835, 321980, 462136, 577670, 643960, 924272, 982039, 1155340, 1287920, 1964078, 2310680, 3928156, 4621360, 4910195, 7856312, 9820390, 15712624, 19640780, 39281560, 78563120]

約数ペア:

[(1, 78563120), (2, 39281560), (4, 19640780), (5, 15712624), (8, 9820390), (10, 7856312), (16, 4910195), (17, 4621360), (20, 3928156), (34, 2310680), (40, 1964078), (61, 1287920), (68, 1155340), (80, 982039), (85, 924272), (122, 643960), (136, 577670), (170, 462136), (244, 321980), (272, 288835), (305, 257584), (340, 231068), (488, 160990), (610, 128792), (680, 115534), (947, 82960), (976, 80495), (1037, 75760), (1220, 64396), (1360, 57767), (1894, 41480), (2074, 37880), (2440, 32198), (3788, 20740), (4148, 18940), (4735, 16592), (4880, 16099), (5185, 15152), (7576, 10370), (8296, 9470)]