81260816

素因数分解:

$2^4\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:126

約数の個数: 160

約数和(自身を含む): 212486400

約数和(自身を除く): 131225584

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 49, 52, 56, 67, 68, 91, 98, 104, 112, 119, 134, 136, 182, 196, 208, 221, 238, 268, 272, 343, 364, 392, 442, 469, 476, 536, 637, 686, 728, 784, 833, 871, 884, 938, 952, 1072, 1139, 1274, 1372, 1456, 1547, 1666, 1742, 1768, 1876, 1904, 2278, 2548, 2744, 3094, 3283, 3332, 3484, 3536, 3752, 4459, 4556, 5096, 5488, 5831, 6097, 6188, 6566, 6664, 6968, 7504, 7973, 8918, 9112, 10192, 10829, 11662, 12194, 12376, 13132, 13328, 13936, 14807, 15946, 17836, 18224, 21658, 22981, 23324, 24388, 24752, 26264, 29614, 31892, 35672, 42679, 43316, 45962, 46648, 48776, 52528, 55811, 59228, 63784, 71344, 75803, 85358, 86632, 91924, 93296, 97552, 103649, 111622, 118456, 127568, 151606, 170716, 173264, 183848, 207298, 223244, 236912, 298753, 303212, 341432, 367696, 390677, 414596, 446488, 597506, 606424, 682864, 725543, 781354, 829192, 892976, 1195012, 1212848, 1451086, 1562708, 1658384, 2390024, 2902172, 3125416, 4780048, 5078801, 5804344, 6250832, 10157602, 11608688, 20315204, 40630408, 81260816]

約数ペア:

[(1, 81260816), (2, 40630408), (4, 20315204), (7, 11608688), (8, 10157602), (13, 6250832), (14, 5804344), (16, 5078801), (17, 4780048), (26, 3125416), (28, 2902172), (34, 2390024), (49, 1658384), (52, 1562708), (56, 1451086), (67, 1212848), (68, 1195012), (91, 892976), (98, 829192), (104, 781354), (112, 725543), (119, 682864), (134, 606424), (136, 597506), (182, 446488), (196, 414596), (208, 390677), (221, 367696), (238, 341432), (268, 303212), (272, 298753), (343, 236912), (364, 223244), (392, 207298), (442, 183848), (469, 173264), (476, 170716), (536, 151606), (637, 127568), (686, 118456), (728, 111622), (784, 103649), (833, 97552), (871, 93296), (884, 91924), (938, 86632), (952, 85358), (1072, 75803), (1139, 71344), (1274, 63784), (1372, 59228), (1456, 55811), (1547, 52528), (1666, 48776), (1742, 46648), (1768, 45962), (1876, 43316), (1904, 42679), (2278, 35672), (2548, 31892), (2744, 29614), (3094, 26264), (3283, 24752), (3332, 24388), (3484, 23324), (3536, 22981), (3752, 21658), (4459, 18224), (4556, 17836), (5096, 15946), (5488, 14807), (5831, 13936), (6097, 13328), (6188, 13132), (6566, 12376), (6664, 12194), (6968, 11662), (7504, 10829), (7973, 10192), (8918, 9112)]