645469920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2591}}^1$

素因数の和:2785

約数の個数: 144

約数和(自身を含む): 2216253312

約数和(自身を除く): 1570783392

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 173, 180, 240, 288, 346, 360, 480, 519, 692, 720, 865, 1038, 1384, 1440, 1557, 1730, 2076, 2591, 2595, 2768, 3114, 3460, 4152, 5182, 5190, 5536, 6228, 6920, 7773, 7785, 8304, 10364, 10380, 12456, 12955, 13840, 15546, 15570, 16608, 20728, 20760, 23319, 24912, 25910, 27680, 31092, 31140, 38865, 41456, 41520, 46638, 49824, 51820, 62184, 62280, 77730, 82912, 83040, 93276, 103640, 116595, 124368, 124560, 155460, 186552, 207280, 233190, 248736, 249120, 310920, 373104, 414560, 448243, 466380, 621840, 746208, 896486, 932760, 1243680, 1344729, 1792972, 1865520, 2241215, 2689458, 3585944, 3731040, 4034187, 4482430, 5378916, 6723645, 7171888, 8068374, 8964860, 10757832, 13447290, 14343776, 16136748, 17929720, 20170935, 21515664, 26894580, 32273496, 35859440, 40341870, 43031328, 53789160, 64546992, 71718880, 80683740, 107578320, 129093984, 161367480, 215156640, 322734960, 645469920]

約数ペア:

[(1, 645469920), (2, 322734960), (3, 215156640), (4, 161367480), (5, 129093984), (6, 107578320), (8, 80683740), (9, 71718880), (10, 64546992), (12, 53789160), (15, 43031328), (16, 40341870), (18, 35859440), (20, 32273496), (24, 26894580), (30, 21515664), (32, 20170935), (36, 17929720), (40, 16136748), (45, 14343776), (48, 13447290), (60, 10757832), (72, 8964860), (80, 8068374), (90, 7171888), (96, 6723645), (120, 5378916), (144, 4482430), (160, 4034187), (173, 3731040), (180, 3585944), (240, 2689458), (288, 2241215), (346, 1865520), (360, 1792972), (480, 1344729), (519, 1243680), (692, 932760), (720, 896486), (865, 746208), (1038, 621840), (1384, 466380), (1440, 448243), (1557, 414560), (1730, 373104), (2076, 310920), (2591, 249120), (2595, 248736), (2768, 233190), (3114, 207280), (3460, 186552), (4152, 155460), (5182, 124560), (5190, 124368), (5536, 116595), (6228, 103640), (6920, 93276), (7773, 83040), (7785, 82912), (8304, 77730), (10364, 62280), (10380, 62184), (12456, 51820), (12955, 49824), (13840, 46638), (15546, 41520), (15570, 41456), (16608, 38865), (20728, 31140), (20760, 31092), (23319, 27680), (24912, 25910)]