80914960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:189

約数の個数: 160

約数和(自身を含む): 228556800

約数和(自身を除く): 147641840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 59, 62, 70, 79, 80, 112, 118, 124, 140, 155, 158, 217, 236, 248, 280, 295, 310, 316, 395, 413, 434, 472, 496, 553, 560, 590, 620, 632, 790, 826, 868, 944, 1085, 1106, 1180, 1240, 1264, 1580, 1652, 1736, 1829, 2065, 2170, 2212, 2360, 2449, 2480, 2765, 3160, 3304, 3472, 3658, 4130, 4340, 4424, 4661, 4720, 4898, 5530, 6320, 6608, 7316, 8260, 8680, 8848, 9145, 9322, 9796, 11060, 12245, 12803, 14632, 16520, 17143, 17360, 18290, 18644, 19592, 22120, 23305, 24490, 25606, 29264, 32627, 33040, 34286, 36580, 37288, 39184, 44240, 46610, 48980, 51212, 64015, 65254, 68572, 73160, 74576, 85715, 93220, 97960, 102424, 128030, 130508, 137144, 144491, 146320, 163135, 171430, 186440, 195920, 204848, 256060, 261016, 274288, 288982, 326270, 342860, 372880, 512120, 522032, 577964, 652540, 685720, 722455, 1011437, 1024240, 1155928, 1305080, 1371440, 1444910, 2022874, 2311856, 2610160, 2889820, 4045748, 5057185, 5779640, 8091496, 10114370, 11559280, 16182992, 20228740, 40457480, 80914960]

約数ペア:

[(1, 80914960), (2, 40457480), (4, 20228740), (5, 16182992), (7, 11559280), (8, 10114370), (10, 8091496), (14, 5779640), (16, 5057185), (20, 4045748), (28, 2889820), (31, 2610160), (35, 2311856), (40, 2022874), (56, 1444910), (59, 1371440), (62, 1305080), (70, 1155928), (79, 1024240), (80, 1011437), (112, 722455), (118, 685720), (124, 652540), (140, 577964), (155, 522032), (158, 512120), (217, 372880), (236, 342860), (248, 326270), (280, 288982), (295, 274288), (310, 261016), (316, 256060), (395, 204848), (413, 195920), (434, 186440), (472, 171430), (496, 163135), (553, 146320), (560, 144491), (590, 137144), (620, 130508), (632, 128030), (790, 102424), (826, 97960), (868, 93220), (944, 85715), (1085, 74576), (1106, 73160), (1180, 68572), (1240, 65254), (1264, 64015), (1580, 51212), (1652, 48980), (1736, 46610), (1829, 44240), (2065, 39184), (2170, 37288), (2212, 36580), (2360, 34286), (2449, 33040), (2480, 32627), (2765, 29264), (3160, 25606), (3304, 24490), (3472, 23305), (3658, 22120), (4130, 19592), (4340, 18644), (4424, 18290), (4661, 17360), (4720, 17143), (4898, 16520), (5530, 14632), (6320, 12803), (6608, 12245), (7316, 11060), (8260, 9796), (8680, 9322), (8848, 9145)]