720458676

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{1031}}^1$

素因数の和:1154

約数の個数: 144

約数和(自身を含む): 2163732480

約数和(自身を除く): 1443273804

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 47, 59, 63, 84, 94, 118, 126, 141, 177, 188, 236, 252, 282, 329, 354, 413, 423, 531, 564, 658, 708, 826, 846, 987, 1031, 1062, 1239, 1316, 1652, 1692, 1974, 2062, 2124, 2478, 2773, 2961, 3093, 3717, 3948, 4124, 4956, 5546, 5922, 6186, 7217, 7434, 8319, 9279, 11092, 11844, 12372, 14434, 14868, 16638, 18558, 19411, 21651, 24957, 28868, 33276, 37116, 38822, 43302, 48457, 49914, 58233, 60829, 64953, 77644, 86604, 96914, 99828, 116466, 121658, 129906, 145371, 174699, 182487, 193828, 232932, 243316, 259812, 290742, 339199, 349398, 364974, 425803, 436113, 547461, 581484, 678398, 698796, 729948, 851606, 872226, 1017597, 1094922, 1277409, 1356796, 1703212, 1744452, 2035194, 2189844, 2554818, 2858963, 3052791, 3832227, 4070388, 5109636, 5717926, 6105582, 7664454, 8576889, 11435852, 12211164, 15328908, 17153778, 20012741, 25730667, 34307556, 40025482, 51461334, 60038223, 80050964, 102922668, 120076446, 180114669, 240152892, 360229338, 720458676]

約数ペア:

[(1, 720458676), (2, 360229338), (3, 240152892), (4, 180114669), (6, 120076446), (7, 102922668), (9, 80050964), (12, 60038223), (14, 51461334), (18, 40025482), (21, 34307556), (28, 25730667), (36, 20012741), (42, 17153778), (47, 15328908), (59, 12211164), (63, 11435852), (84, 8576889), (94, 7664454), (118, 6105582), (126, 5717926), (141, 5109636), (177, 4070388), (188, 3832227), (236, 3052791), (252, 2858963), (282, 2554818), (329, 2189844), (354, 2035194), (413, 1744452), (423, 1703212), (531, 1356796), (564, 1277409), (658, 1094922), (708, 1017597), (826, 872226), (846, 851606), (987, 729948), (1031, 698796), (1062, 678398), (1239, 581484), (1316, 547461), (1652, 436113), (1692, 425803), (1974, 364974), (2062, 349398), (2124, 339199), (2478, 290742), (2773, 259812), (2961, 243316), (3093, 232932), (3717, 193828), (3948, 182487), (4124, 174699), (4956, 145371), (5546, 129906), (5922, 121658), (6186, 116466), (7217, 99828), (7434, 96914), (8319, 86604), (9279, 77644), (11092, 64953), (11844, 60829), (12372, 58233), (14434, 49914), (14868, 48457), (16638, 43302), (18558, 38822), (19411, 37116), (21651, 33276), (24957, 28868)]