28525320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 192

約数和(自身を含む): 101088000

約数和(自身を除く): 72562680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 59, 60, 68, 72, 79, 85, 90, 102, 118, 120, 136, 153, 158, 170, 177, 180, 204, 236, 237, 255, 295, 306, 316, 340, 354, 360, 395, 408, 472, 474, 510, 531, 590, 612, 632, 680, 708, 711, 765, 790, 885, 948, 1003, 1020, 1062, 1180, 1185, 1224, 1343, 1416, 1422, 1530, 1580, 1770, 1896, 2006, 2040, 2124, 2360, 2370, 2655, 2686, 2844, 3009, 3060, 3160, 3540, 3555, 4012, 4029, 4248, 4661, 4740, 5015, 5310, 5372, 5688, 6018, 6120, 6715, 7080, 7110, 8024, 8058, 9027, 9322, 9480, 10030, 10620, 10744, 12036, 12087, 13430, 13983, 14220, 15045, 16116, 18054, 18644, 20060, 20145, 21240, 23305, 24072, 24174, 26860, 27966, 28440, 30090, 32232, 36108, 37288, 40120, 40290, 41949, 45135, 46610, 48348, 53720, 55932, 60180, 60435, 69915, 72216, 79237, 80580, 83898, 90270, 93220, 96696, 111864, 120360, 120870, 139830, 158474, 161160, 167796, 180540, 186440, 209745, 237711, 241740, 279660, 316948, 335592, 361080, 396185, 419490, 475422, 483480, 559320, 633896, 713133, 792370, 838980, 950844, 1188555, 1426266, 1584740, 1677960, 1901688, 2377110, 2852532, 3169480, 3565665, 4754220, 5705064, 7131330, 9508440, 14262660, 28525320]

約数ペア:

[(1, 28525320), (2, 14262660), (3, 9508440), (4, 7131330), (5, 5705064), (6, 4754220), (8, 3565665), (9, 3169480), (10, 2852532), (12, 2377110), (15, 1901688), (17, 1677960), (18, 1584740), (20, 1426266), (24, 1188555), (30, 950844), (34, 838980), (36, 792370), (40, 713133), (45, 633896), (51, 559320), (59, 483480), (60, 475422), (68, 419490), (72, 396185), (79, 361080), (85, 335592), (90, 316948), (102, 279660), (118, 241740), (120, 237711), (136, 209745), (153, 186440), (158, 180540), (170, 167796), (177, 161160), (180, 158474), (204, 139830), (236, 120870), (237, 120360), (255, 111864), (295, 96696), (306, 93220), (316, 90270), (340, 83898), (354, 80580), (360, 79237), (395, 72216), (408, 69915), (472, 60435), (474, 60180), (510, 55932), (531, 53720), (590, 48348), (612, 46610), (632, 45135), (680, 41949), (708, 40290), (711, 40120), (765, 37288), (790, 36108), (885, 32232), (948, 30090), (1003, 28440), (1020, 27966), (1062, 26860), (1180, 24174), (1185, 24072), (1224, 23305), (1343, 21240), (1416, 20145), (1422, 20060), (1530, 18644), (1580, 18054), (1770, 16116), (1896, 15045), (2006, 14220), (2040, 13983), (2124, 13430), (2360, 12087), (2370, 12036), (2655, 10744), (2686, 10620), (2844, 10030), (3009, 9480), (3060, 9322), (3160, 9027), (3540, 8058), (3555, 8024), (4012, 7110), (4029, 7080), (4248, 6715), (4661, 6120), (4740, 6018), (5015, 5688), (5310, 5372)]