387997440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1279}}^1$

素因数の和:1382

約数の個数: 144

約数和(自身を含む): 1255833600

約数和(自身を除く): 867836160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 128, 158, 160, 192, 237, 240, 256, 316, 320, 384, 395, 474, 480, 632, 640, 768, 790, 948, 960, 1185, 1264, 1279, 1280, 1580, 1896, 1920, 2370, 2528, 2558, 3160, 3792, 3837, 3840, 4740, 5056, 5116, 6320, 6395, 7584, 7674, 9480, 10112, 10232, 12640, 12790, 15168, 15348, 18960, 19185, 20224, 20464, 25280, 25580, 30336, 30696, 37920, 38370, 40928, 50560, 51160, 60672, 61392, 75840, 76740, 81856, 101041, 101120, 102320, 122784, 151680, 153480, 163712, 202082, 204640, 245568, 303123, 303360, 306960, 327424, 404164, 409280, 491136, 505205, 606246, 613920, 808328, 818560, 982272, 1010410, 1212492, 1227840, 1515615, 1616656, 1637120, 2020820, 2424984, 2455680, 3031230, 3233312, 4041640, 4849968, 4911360, 6062460, 6466624, 8083280, 9699936, 12124920, 12933248, 16166560, 19399872, 24249840, 25866496, 32333120, 38799744, 48499680, 64666240, 77599488, 96999360, 129332480, 193998720, 387997440]

約数ペア:

[(1, 387997440), (2, 193998720), (3, 129332480), (4, 96999360), (5, 77599488), (6, 64666240), (8, 48499680), (10, 38799744), (12, 32333120), (15, 25866496), (16, 24249840), (20, 19399872), (24, 16166560), (30, 12933248), (32, 12124920), (40, 9699936), (48, 8083280), (60, 6466624), (64, 6062460), (79, 4911360), (80, 4849968), (96, 4041640), (120, 3233312), (128, 3031230), (158, 2455680), (160, 2424984), (192, 2020820), (237, 1637120), (240, 1616656), (256, 1515615), (316, 1227840), (320, 1212492), (384, 1010410), (395, 982272), (474, 818560), (480, 808328), (632, 613920), (640, 606246), (768, 505205), (790, 491136), (948, 409280), (960, 404164), (1185, 327424), (1264, 306960), (1279, 303360), (1280, 303123), (1580, 245568), (1896, 204640), (1920, 202082), (2370, 163712), (2528, 153480), (2558, 151680), (3160, 122784), (3792, 102320), (3837, 101120), (3840, 101041), (4740, 81856), (5056, 76740), (5116, 75840), (6320, 61392), (6395, 60672), (7584, 51160), (7674, 50560), (9480, 40928), (10112, 38370), (10232, 37920), (12640, 30696), (12790, 30336), (15168, 25580), (15348, 25280), (18960, 20464), (19185, 20224)]