7451280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:229

約数の個数: 120

約数和(自身を含む): 25534080

約数和(自身を除く): 18082800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 79, 80, 90, 120, 131, 144, 158, 180, 237, 240, 262, 316, 360, 393, 395, 474, 524, 632, 655, 711, 720, 786, 790, 948, 1048, 1179, 1185, 1264, 1310, 1422, 1572, 1580, 1896, 1965, 2096, 2358, 2370, 2620, 2844, 3144, 3160, 3555, 3792, 3930, 4716, 4740, 5240, 5688, 5895, 6288, 6320, 7110, 7860, 9432, 9480, 10349, 10480, 11376, 11790, 14220, 15720, 18864, 18960, 20698, 23580, 28440, 31047, 31440, 41396, 47160, 51745, 56880, 62094, 82792, 93141, 94320, 103490, 124188, 155235, 165584, 186282, 206980, 248376, 310470, 372564, 413960, 465705, 496752, 620940, 745128, 827920, 931410, 1241880, 1490256, 1862820, 2483760, 3725640, 7451280]

約数ペア:

[(1, 7451280), (2, 3725640), (3, 2483760), (4, 1862820), (5, 1490256), (6, 1241880), (8, 931410), (9, 827920), (10, 745128), (12, 620940), (15, 496752), (16, 465705), (18, 413960), (20, 372564), (24, 310470), (30, 248376), (36, 206980), (40, 186282), (45, 165584), (48, 155235), (60, 124188), (72, 103490), (79, 94320), (80, 93141), (90, 82792), (120, 62094), (131, 56880), (144, 51745), (158, 47160), (180, 41396), (237, 31440), (240, 31047), (262, 28440), (316, 23580), (360, 20698), (393, 18960), (395, 18864), (474, 15720), (524, 14220), (632, 11790), (655, 11376), (711, 10480), (720, 10349), (786, 9480), (790, 9432), (948, 7860), (1048, 7110), (1179, 6320), (1185, 6288), (1264, 5895), (1310, 5688), (1422, 5240), (1572, 4740), (1580, 4716), (1896, 3930), (1965, 3792), (2096, 3555), (2358, 3160), (2370, 3144), (2620, 2844)]