77894960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{619}}^1$

素因数の和:667

約数の個数: 120

約数和(自身を含む): 214725840

約数和(自身を除く): 136830880

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 121, 130, 143, 176, 208, 220, 242, 260, 286, 440, 484, 520, 572, 605, 619, 715, 880, 968, 1040, 1144, 1210, 1238, 1430, 1573, 1936, 2288, 2420, 2476, 2860, 3095, 3146, 4840, 4952, 5720, 6190, 6292, 6809, 7865, 8047, 9680, 9904, 11440, 12380, 12584, 13618, 15730, 16094, 24760, 25168, 27236, 31460, 32188, 34045, 40235, 49520, 54472, 62920, 64376, 68090, 74899, 80470, 88517, 108944, 125840, 128752, 136180, 149798, 160940, 177034, 272360, 299596, 321880, 354068, 374495, 442585, 544720, 599192, 643760, 708136, 748990, 885170, 973687, 1198384, 1416272, 1497980, 1770340, 1947374, 2995960, 3540680, 3894748, 4868435, 5991920, 7081360, 7789496, 9736870, 15578992, 19473740, 38947480, 77894960]

約数ペア:

[(1, 77894960), (2, 38947480), (4, 19473740), (5, 15578992), (8, 9736870), (10, 7789496), (11, 7081360), (13, 5991920), (16, 4868435), (20, 3894748), (22, 3540680), (26, 2995960), (40, 1947374), (44, 1770340), (52, 1497980), (55, 1416272), (65, 1198384), (80, 973687), (88, 885170), (104, 748990), (110, 708136), (121, 643760), (130, 599192), (143, 544720), (176, 442585), (208, 374495), (220, 354068), (242, 321880), (260, 299596), (286, 272360), (440, 177034), (484, 160940), (520, 149798), (572, 136180), (605, 128752), (619, 125840), (715, 108944), (880, 88517), (968, 80470), (1040, 74899), (1144, 68090), (1210, 64376), (1238, 62920), (1430, 54472), (1573, 49520), (1936, 40235), (2288, 34045), (2420, 32188), (2476, 31460), (2860, 27236), (3095, 25168), (3146, 24760), (4840, 16094), (4952, 15730), (5720, 13618), (6190, 12584), (6292, 12380), (6809, 11440), (7865, 9904), (8047, 9680)]