86291920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:453

約数の個数: 160

約数和(自身を含む): 248734080

約数和(自身を除く): 162442160

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 80, 88, 95, 104, 110, 130, 143, 152, 176, 190, 208, 209, 220, 247, 260, 286, 304, 380, 397, 418, 440, 494, 520, 572, 715, 760, 794, 836, 880, 988, 1040, 1045, 1144, 1235, 1430, 1520, 1588, 1672, 1976, 1985, 2090, 2288, 2470, 2717, 2860, 3176, 3344, 3952, 3970, 4180, 4367, 4940, 5161, 5434, 5720, 6352, 7543, 7940, 8360, 8734, 9880, 10322, 10868, 11440, 13585, 15086, 15880, 16720, 17468, 19760, 20644, 21736, 21835, 25805, 27170, 30172, 31760, 34936, 37715, 41288, 43472, 43670, 51610, 54340, 56771, 60344, 69872, 75430, 82576, 82973, 87340, 98059, 103220, 108680, 113542, 120688, 150860, 165946, 174680, 196118, 206440, 217360, 227084, 283855, 301720, 331892, 349360, 392236, 412880, 414865, 454168, 490295, 567710, 603440, 663784, 784472, 829730, 908336, 980590, 1078649, 1135420, 1327568, 1568944, 1659460, 1961180, 2157298, 2270840, 3318920, 3922360, 4314596, 4541680, 5393245, 6637840, 7844720, 8629192, 10786490, 17258384, 21572980, 43145960, 86291920]

約数ペア:

[(1, 86291920), (2, 43145960), (4, 21572980), (5, 17258384), (8, 10786490), (10, 8629192), (11, 7844720), (13, 6637840), (16, 5393245), (19, 4541680), (20, 4314596), (22, 3922360), (26, 3318920), (38, 2270840), (40, 2157298), (44, 1961180), (52, 1659460), (55, 1568944), (65, 1327568), (76, 1135420), (80, 1078649), (88, 980590), (95, 908336), (104, 829730), (110, 784472), (130, 663784), (143, 603440), (152, 567710), (176, 490295), (190, 454168), (208, 414865), (209, 412880), (220, 392236), (247, 349360), (260, 331892), (286, 301720), (304, 283855), (380, 227084), (397, 217360), (418, 206440), (440, 196118), (494, 174680), (520, 165946), (572, 150860), (715, 120688), (760, 113542), (794, 108680), (836, 103220), (880, 98059), (988, 87340), (1040, 82973), (1045, 82576), (1144, 75430), (1235, 69872), (1430, 60344), (1520, 56771), (1588, 54340), (1672, 51610), (1976, 43670), (1985, 43472), (2090, 41288), (2288, 37715), (2470, 34936), (2717, 31760), (2860, 30172), (3176, 27170), (3344, 25805), (3952, 21835), (3970, 21736), (4180, 20644), (4367, 19760), (4940, 17468), (5161, 16720), (5434, 15880), (5720, 15086), (6352, 13585), (7543, 11440), (7940, 10868), (8360, 10322), (8734, 9880)]