642394872

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{47}}^2\times {\mathrm{577}}^1$

素因数の和:690

約数の個数: 144

約数和(自身を含む): 2035091760

約数和(自身を除く): 1392696888

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 47, 56, 63, 72, 84, 94, 126, 141, 168, 188, 252, 282, 329, 376, 423, 504, 564, 577, 658, 846, 987, 1128, 1154, 1316, 1692, 1731, 1974, 2209, 2308, 2632, 2961, 3384, 3462, 3948, 4039, 4418, 4616, 5193, 5922, 6627, 6924, 7896, 8078, 8836, 10386, 11844, 12117, 13254, 13848, 15463, 16156, 17672, 19881, 20772, 23688, 24234, 26508, 27119, 30926, 32312, 36351, 39762, 41544, 46389, 48468, 53016, 54238, 61852, 72702, 79524, 81357, 92778, 96936, 108476, 123704, 139167, 145404, 159048, 162714, 185556, 189833, 216952, 244071, 278334, 290808, 325428, 371112, 379666, 488142, 556668, 569499, 650856, 759332, 976284, 1113336, 1138998, 1274593, 1518664, 1708497, 1952568, 2277996, 2549186, 3416994, 3823779, 4555992, 5098372, 6833988, 7647558, 8922151, 10196744, 11471337, 13667976, 15295116, 17844302, 22942674, 26766453, 30590232, 35688604, 45885348, 53532906, 71377208, 80299359, 91770696, 107065812, 160598718, 214131624, 321197436, 642394872]

約数ペア:

[(1, 642394872), (2, 321197436), (3, 214131624), (4, 160598718), (6, 107065812), (7, 91770696), (8, 80299359), (9, 71377208), (12, 53532906), (14, 45885348), (18, 35688604), (21, 30590232), (24, 26766453), (28, 22942674), (36, 17844302), (42, 15295116), (47, 13667976), (56, 11471337), (63, 10196744), (72, 8922151), (84, 7647558), (94, 6833988), (126, 5098372), (141, 4555992), (168, 3823779), (188, 3416994), (252, 2549186), (282, 2277996), (329, 1952568), (376, 1708497), (423, 1518664), (504, 1274593), (564, 1138998), (577, 1113336), (658, 976284), (846, 759332), (987, 650856), (1128, 569499), (1154, 556668), (1316, 488142), (1692, 379666), (1731, 371112), (1974, 325428), (2209, 290808), (2308, 278334), (2632, 244071), (2961, 216952), (3384, 189833), (3462, 185556), (3948, 162714), (4039, 159048), (4418, 145404), (4616, 139167), (5193, 123704), (5922, 108476), (6627, 96936), (6924, 92778), (7896, 81357), (8078, 79524), (8836, 72702), (10386, 61852), (11844, 54238), (12117, 53016), (13254, 48468), (13848, 46389), (15463, 41544), (16156, 39762), (17672, 36351), (19881, 32312), (20772, 30926), (23688, 27119), (24234, 26508)]