640406976

素因数分解:

$2^6\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3407}}^1$

素因数の和:3522

約数の個数: 112

約数和(自身を含む): 1869765120

約数和(自身を除く): 1229358144

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 89, 96, 132, 176, 178, 192, 264, 267, 352, 356, 528, 534, 704, 712, 979, 1056, 1068, 1424, 1958, 2112, 2136, 2848, 2937, 3407, 3916, 4272, 5696, 5874, 6814, 7832, 8544, 10221, 11748, 13628, 15664, 17088, 20442, 23496, 27256, 31328, 37477, 40884, 46992, 54512, 62656, 74954, 81768, 93984, 109024, 112431, 149908, 163536, 187968, 218048, 224862, 299816, 303223, 327072, 449724, 599632, 606446, 654144, 899448, 909669, 1199264, 1212892, 1798896, 1819338, 2398528, 2425784, 3335453, 3597792, 3638676, 4851568, 6670906, 7195584, 7277352, 9703136, 10006359, 13341812, 14554704, 19406272, 20012718, 26683624, 29109408, 40025436, 53367248, 58218816, 80050872, 106734496, 160101744, 213468992, 320203488, 640406976]

約数ペア:

[(1, 640406976), (2, 320203488), (3, 213468992), (4, 160101744), (6, 106734496), (8, 80050872), (11, 58218816), (12, 53367248), (16, 40025436), (22, 29109408), (24, 26683624), (32, 20012718), (33, 19406272), (44, 14554704), (48, 13341812), (64, 10006359), (66, 9703136), (88, 7277352), (89, 7195584), (96, 6670906), (132, 4851568), (176, 3638676), (178, 3597792), (192, 3335453), (264, 2425784), (267, 2398528), (352, 1819338), (356, 1798896), (528, 1212892), (534, 1199264), (704, 909669), (712, 899448), (979, 654144), (1056, 606446), (1068, 599632), (1424, 449724), (1958, 327072), (2112, 303223), (2136, 299816), (2848, 224862), (2937, 218048), (3407, 187968), (3916, 163536), (4272, 149908), (5696, 112431), (5874, 109024), (6814, 93984), (7832, 81768), (8544, 74954), (10221, 62656), (11748, 54512), (13628, 46992), (15664, 40884), (17088, 37477), (20442, 31328), (23496, 27256)]