81418896

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 240

約数和(自身を含む): 268649472

約数和(自身を除く): 187230576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 31, 36, 39, 46, 48, 52, 61, 62, 69, 72, 78, 92, 93, 104, 117, 122, 124, 138, 144, 156, 183, 184, 186, 207, 208, 234, 244, 248, 276, 279, 299, 312, 366, 368, 372, 403, 414, 468, 488, 496, 549, 552, 558, 598, 624, 713, 732, 744, 793, 806, 828, 897, 936, 976, 1098, 1104, 1116, 1196, 1209, 1403, 1426, 1464, 1488, 1586, 1612, 1656, 1794, 1872, 1891, 2139, 2196, 2232, 2379, 2392, 2418, 2691, 2806, 2852, 2928, 3172, 3224, 3312, 3588, 3627, 3782, 4209, 4278, 4392, 4464, 4758, 4784, 4836, 5382, 5612, 5673, 5704, 6344, 6417, 6448, 7137, 7176, 7254, 7564, 8418, 8556, 8784, 9269, 9516, 9672, 10764, 11224, 11346, 11408, 12627, 12688, 12834, 14274, 14352, 14508, 15128, 16836, 17019, 17112, 18239, 18538, 19032, 19344, 21528, 22448, 22692, 24583, 25254, 25668, 27807, 28548, 29016, 30256, 33672, 34038, 34224, 36478, 37076, 38064, 43056, 43493, 45384, 49166, 50508, 51336, 54717, 55614, 57096, 58032, 67344, 68076, 72956, 73749, 74152, 83421, 86986, 90768, 98332, 101016, 102672, 109434, 111228, 114192, 130479, 136152, 145912, 147498, 148304, 164151, 166842, 173972, 196664, 202032, 218868, 221247, 222456, 260958, 272304, 291824, 294996, 328302, 333684, 347944, 391437, 393328, 437736, 442494, 444912, 521916, 565409, 589992, 656604, 667368, 695888, 782874, 875472, 884988, 1043832, 1130818, 1179984, 1313208, 1334736, 1565748, 1696227, 1769976, 2087664, 2261636, 2626416, 3131496, 3392454, 3539952, 4523272, 5088681, 6262992, 6784908, 9046544, 10177362, 13569816, 20354724, 27139632, 40709448, 81418896]

約数ペア:

[(1, 81418896), (2, 40709448), (3, 27139632), (4, 20354724), (6, 13569816), (8, 10177362), (9, 9046544), (12, 6784908), (13, 6262992), (16, 5088681), (18, 4523272), (23, 3539952), (24, 3392454), (26, 3131496), (31, 2626416), (36, 2261636), (39, 2087664), (46, 1769976), (48, 1696227), (52, 1565748), (61, 1334736), (62, 1313208), (69, 1179984), (72, 1130818), (78, 1043832), (92, 884988), (93, 875472), (104, 782874), (117, 695888), (122, 667368), (124, 656604), (138, 589992), (144, 565409), (156, 521916), (183, 444912), (184, 442494), (186, 437736), (207, 393328), (208, 391437), (234, 347944), (244, 333684), (248, 328302), (276, 294996), (279, 291824), (299, 272304), (312, 260958), (366, 222456), (368, 221247), (372, 218868), (403, 202032), (414, 196664), (468, 173972), (488, 166842), (496, 164151), (549, 148304), (552, 147498), (558, 145912), (598, 136152), (624, 130479), (713, 114192), (732, 111228), (744, 109434), (793, 102672), (806, 101016), (828, 98332), (897, 90768), (936, 86986), (976, 83421), (1098, 74152), (1104, 73749), (1116, 72956), (1196, 68076), (1209, 67344), (1403, 58032), (1426, 57096), (1464, 55614), (1488, 54717), (1586, 51336), (1612, 50508), (1656, 49166), (1794, 45384), (1872, 43493), (1891, 43056), (2139, 38064), (2196, 37076), (2232, 36478), (2379, 34224), (2392, 34038), (2418, 33672), (2691, 30256), (2806, 29016), (2852, 28548), (2928, 27807), (3172, 25668), (3224, 25254), (3312, 24583), (3588, 22692), (3627, 22448), (3782, 21528), (4209, 19344), (4278, 19032), (4392, 18538), (4464, 18239), (4758, 17112), (4784, 17019), (4836, 16836), (5382, 15128), (5612, 14508), (5673, 14352), (5704, 14274), (6344, 12834), (6417, 12688), (6448, 12627), (7137, 11408), (7176, 11346), (7254, 11224), (7564, 10764), (8418, 9672), (8556, 9516), (8784, 9269)]