80944160

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:187

約数の個数: 144

約数和(自身を含む): 217786968

約数和(自身を除く): 136842808

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 44, 55, 74, 80, 88, 110, 113, 121, 148, 160, 176, 185, 220, 226, 242, 296, 352, 370, 407, 440, 452, 484, 565, 592, 605, 740, 814, 880, 904, 968, 1130, 1184, 1210, 1243, 1480, 1628, 1760, 1808, 1936, 2035, 2260, 2420, 2486, 2960, 3256, 3616, 3872, 4070, 4181, 4477, 4520, 4840, 4972, 5920, 6215, 6512, 8140, 8362, 8954, 9040, 9680, 9944, 12430, 13024, 13673, 16280, 16724, 17908, 18080, 19360, 19888, 20905, 22385, 24860, 27346, 32560, 33448, 35816, 39776, 41810, 44770, 45991, 49720, 54692, 65120, 66896, 68365, 71632, 83620, 89540, 91982, 99440, 109384, 133792, 136730, 143264, 167240, 179080, 183964, 198880, 218768, 229955, 273460, 334480, 358160, 367928, 437536, 459910, 505901, 546920, 668960, 716320, 735856, 919820, 1011802, 1093840, 1471712, 1839640, 2023604, 2187680, 2529505, 3679280, 4047208, 5059010, 7358560, 8094416, 10118020, 16188832, 20236040, 40472080, 80944160]

約数ペア:

[(1, 80944160), (2, 40472080), (4, 20236040), (5, 16188832), (8, 10118020), (10, 8094416), (11, 7358560), (16, 5059010), (20, 4047208), (22, 3679280), (32, 2529505), (37, 2187680), (40, 2023604), (44, 1839640), (55, 1471712), (74, 1093840), (80, 1011802), (88, 919820), (110, 735856), (113, 716320), (121, 668960), (148, 546920), (160, 505901), (176, 459910), (185, 437536), (220, 367928), (226, 358160), (242, 334480), (296, 273460), (352, 229955), (370, 218768), (407, 198880), (440, 183964), (452, 179080), (484, 167240), (565, 143264), (592, 136730), (605, 133792), (740, 109384), (814, 99440), (880, 91982), (904, 89540), (968, 83620), (1130, 71632), (1184, 68365), (1210, 66896), (1243, 65120), (1480, 54692), (1628, 49720), (1760, 45991), (1808, 44770), (1936, 41810), (2035, 39776), (2260, 35816), (2420, 33448), (2486, 32560), (2960, 27346), (3256, 24860), (3616, 22385), (3872, 20905), (4070, 19888), (4181, 19360), (4477, 18080), (4520, 17908), (4840, 16724), (4972, 16280), (5920, 13673), (6215, 13024), (6512, 12430), (8140, 9944), (8362, 9680), (8954, 9040)]