771399040

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{659}}^1$

素因数の和:768

約数の個数: 128

約数和(自身を含む): 1938816000

約数和(自身を除く): 1167416960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 59, 62, 64, 80, 118, 124, 128, 155, 160, 236, 248, 295, 310, 320, 472, 496, 590, 620, 640, 659, 944, 992, 1180, 1240, 1318, 1829, 1888, 1984, 2360, 2480, 2636, 3295, 3658, 3776, 3968, 4720, 4960, 5272, 6590, 7316, 7552, 9145, 9440, 9920, 10544, 13180, 14632, 18290, 18880, 19840, 20429, 21088, 26360, 29264, 36580, 37760, 38881, 40858, 42176, 52720, 58528, 73160, 77762, 81716, 84352, 102145, 105440, 117056, 146320, 155524, 163432, 194405, 204290, 210880, 234112, 292640, 311048, 326864, 388810, 408580, 421760, 585280, 622096, 653728, 777620, 817160, 1170560, 1205311, 1244192, 1307456, 1555240, 1634320, 2410622, 2488384, 2614912, 3110480, 3268640, 4821244, 4976768, 6026555, 6220960, 6537280, 9642488, 12053110, 12441920, 13074560, 19284976, 24106220, 24883840, 38569952, 48212440, 77139904, 96424880, 154279808, 192849760, 385699520, 771399040]

約数ペア:

[(1, 771399040), (2, 385699520), (4, 192849760), (5, 154279808), (8, 96424880), (10, 77139904), (16, 48212440), (20, 38569952), (31, 24883840), (32, 24106220), (40, 19284976), (59, 13074560), (62, 12441920), (64, 12053110), (80, 9642488), (118, 6537280), (124, 6220960), (128, 6026555), (155, 4976768), (160, 4821244), (236, 3268640), (248, 3110480), (295, 2614912), (310, 2488384), (320, 2410622), (472, 1634320), (496, 1555240), (590, 1307456), (620, 1244192), (640, 1205311), (659, 1170560), (944, 817160), (992, 777620), (1180, 653728), (1240, 622096), (1318, 585280), (1829, 421760), (1888, 408580), (1984, 388810), (2360, 326864), (2480, 311048), (2636, 292640), (3295, 234112), (3658, 210880), (3776, 204290), (3968, 194405), (4720, 163432), (4960, 155524), (5272, 146320), (6590, 117056), (7316, 105440), (7552, 102145), (9145, 84352), (9440, 81716), (9920, 77762), (10544, 73160), (13180, 58528), (14632, 52720), (18290, 42176), (18880, 40858), (19840, 38881), (20429, 37760), (21088, 36580), (26360, 29264)]