278320160

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:418

約数の個数: 96

約数和(自身を含む): 675682560

約数和(自身を除く): 397362400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 97, 158, 160, 194, 227, 316, 388, 395, 454, 485, 632, 776, 790, 908, 970, 1135, 1264, 1552, 1580, 1816, 1940, 2270, 2528, 3104, 3160, 3632, 3880, 4540, 6320, 7264, 7663, 7760, 9080, 12640, 15326, 15520, 17933, 18160, 22019, 30652, 35866, 36320, 38315, 44038, 61304, 71732, 76630, 88076, 89665, 110095, 122608, 143464, 153260, 176152, 179330, 220190, 245216, 286928, 306520, 352304, 358660, 440380, 573856, 613040, 704608, 717320, 880760, 1226080, 1434640, 1739501, 1761520, 2869280, 3479002, 3523040, 6958004, 8697505, 13916008, 17395010, 27832016, 34790020, 55664032, 69580040, 139160080, 278320160]

約数ペア:

[(1, 278320160), (2, 139160080), (4, 69580040), (5, 55664032), (8, 34790020), (10, 27832016), (16, 17395010), (20, 13916008), (32, 8697505), (40, 6958004), (79, 3523040), (80, 3479002), (97, 2869280), (158, 1761520), (160, 1739501), (194, 1434640), (227, 1226080), (316, 880760), (388, 717320), (395, 704608), (454, 613040), (485, 573856), (632, 440380), (776, 358660), (790, 352304), (908, 306520), (970, 286928), (1135, 245216), (1264, 220190), (1552, 179330), (1580, 176152), (1816, 153260), (1940, 143464), (2270, 122608), (2528, 110095), (3104, 89665), (3160, 88076), (3632, 76630), (3880, 71732), (4540, 61304), (6320, 44038), (7264, 38315), (7663, 36320), (7760, 35866), (9080, 30652), (12640, 22019), (15326, 18160), (15520, 17933)]