2560206720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{16879}}^1$

素因数の和:16980

約数の個数: 128

約数和(自身を含む): 8264448000

約数和(自身を除く): 5704241280

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, 316, 320, 384, 395, 474, 480, 632, 640, 790, 948, 960, 1185, 1264, 1580, 1896, 1920, 2370, 2528, 3160, 3792, 4740, 5056, 6320, 7584, 9480, 10112, 12640, 15168, 16879, 18960, 25280, 30336, 33758, 37920, 50560, 50637, 67516, 75840, 84395, 101274, 135032, 151680, 168790, 202548, 253185, 270064, 337580, 405096, 506370, 540128, 675160, 810192, 1012740, 1080256, 1333441, 1350320, 1620384, 2025480, 2160512, 2666882, 2700640, 3240768, 4000323, 4050960, 5333764, 5401280, 6481536, 6667205, 8000646, 8101920, 10667528, 10802560, 13334410, 16001292, 16203840, 20001615, 21335056, 26668820, 32002584, 32407680, 40003230, 42670112, 53337640, 64005168, 80006460, 85340224, 106675280, 128010336, 160012920, 170680448, 213350560, 256020672, 320025840, 426701120, 512041344, 640051680, 853402240, 1280103360, 2560206720]

約数ペア:

[(1, 2560206720), (2, 1280103360), (3, 853402240), (4, 640051680), (5, 512041344), (6, 426701120), (8, 320025840), (10, 256020672), (12, 213350560), (15, 170680448), (16, 160012920), (20, 128010336), (24, 106675280), (30, 85340224), (32, 80006460), (40, 64005168), (48, 53337640), (60, 42670112), (64, 40003230), (79, 32407680), (80, 32002584), (96, 26668820), (120, 21335056), (128, 20001615), (158, 16203840), (160, 16001292), (192, 13334410), (237, 10802560), (240, 10667528), (316, 8101920), (320, 8000646), (384, 6667205), (395, 6481536), (474, 5401280), (480, 5333764), (632, 4050960), (640, 4000323), (790, 3240768), (948, 2700640), (960, 2666882), (1185, 2160512), (1264, 2025480), (1580, 1620384), (1896, 1350320), (1920, 1333441), (2370, 1080256), (2528, 1012740), (3160, 810192), (3792, 675160), (4740, 540128), (5056, 506370), (6320, 405096), (7584, 337580), (9480, 270064), (10112, 253185), (12640, 202548), (15168, 168790), (16879, 151680), (18960, 135032), (25280, 101274), (30336, 84395), (33758, 75840), (37920, 67516), (50560, 50637)]