678666768

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{647}}^1$

素因数の和:753

約数の個数: 120

約数和(自身を含む): 1938250944

約数和(自身を除く): 1259584176

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 41, 48, 52, 78, 82, 104, 123, 156, 164, 208, 246, 312, 328, 492, 533, 624, 647, 656, 984, 1066, 1294, 1599, 1681, 1941, 1968, 2132, 2588, 3198, 3362, 3882, 4264, 5043, 5176, 6396, 6724, 7764, 8411, 8528, 10086, 10352, 12792, 13448, 15528, 16822, 20172, 21853, 25233, 25584, 26527, 26896, 31056, 33644, 40344, 43706, 50466, 53054, 65559, 67288, 79581, 80688, 87412, 100932, 106108, 131118, 134576, 159162, 174824, 201864, 212216, 262236, 318324, 344851, 349648, 403728, 424432, 524472, 636648, 689702, 1034553, 1048944, 1087607, 1273296, 1379404, 2069106, 2175214, 2758808, 3262821, 4138212, 4350428, 5517616, 6525642, 8276424, 8700856, 13051284, 14138891, 16552848, 17401712, 26102568, 28277782, 42416673, 52205136, 56555564, 84833346, 113111128, 169666692, 226222256, 339333384, 678666768]

約数ペア:

[(1, 678666768), (2, 339333384), (3, 226222256), (4, 169666692), (6, 113111128), (8, 84833346), (12, 56555564), (13, 52205136), (16, 42416673), (24, 28277782), (26, 26102568), (39, 17401712), (41, 16552848), (48, 14138891), (52, 13051284), (78, 8700856), (82, 8276424), (104, 6525642), (123, 5517616), (156, 4350428), (164, 4138212), (208, 3262821), (246, 2758808), (312, 2175214), (328, 2069106), (492, 1379404), (533, 1273296), (624, 1087607), (647, 1048944), (656, 1034553), (984, 689702), (1066, 636648), (1294, 524472), (1599, 424432), (1681, 403728), (1941, 349648), (1968, 344851), (2132, 318324), (2588, 262236), (3198, 212216), (3362, 201864), (3882, 174824), (4264, 159162), (5043, 134576), (5176, 131118), (6396, 106108), (6724, 100932), (7764, 87412), (8411, 80688), (8528, 79581), (10086, 67288), (10352, 65559), (12792, 53054), (13448, 50466), (15528, 43706), (16822, 40344), (20172, 33644), (21853, 31056), (25233, 26896), (25584, 26527)]