278889840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2239}}^1$

素因数の和:2431

約数の個数: 120

約数和(自身を含む): 942439680

約数和(自身を除く): 663549840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 173, 180, 240, 346, 360, 519, 692, 720, 865, 1038, 1384, 1557, 1730, 2076, 2239, 2595, 2768, 3114, 3460, 4152, 4478, 5190, 6228, 6717, 6920, 7785, 8304, 8956, 10380, 11195, 12456, 13434, 13840, 15570, 17912, 20151, 20760, 22390, 24912, 26868, 31140, 33585, 35824, 40302, 41520, 44780, 53736, 62280, 67170, 80604, 89560, 100755, 107472, 124560, 134340, 161208, 179120, 201510, 268680, 322416, 387347, 403020, 537360, 774694, 806040, 1162041, 1549388, 1612080, 1936735, 2324082, 3098776, 3486123, 3873470, 4648164, 5810205, 6197552, 6972246, 7746940, 9296328, 11620410, 13944492, 15493880, 17430615, 18592656, 23240820, 27888984, 30987760, 34861230, 46481640, 55777968, 69722460, 92963280, 139444920, 278889840]

約数ペア:

[(1, 278889840), (2, 139444920), (3, 92963280), (4, 69722460), (5, 55777968), (6, 46481640), (8, 34861230), (9, 30987760), (10, 27888984), (12, 23240820), (15, 18592656), (16, 17430615), (18, 15493880), (20, 13944492), (24, 11620410), (30, 9296328), (36, 7746940), (40, 6972246), (45, 6197552), (48, 5810205), (60, 4648164), (72, 3873470), (80, 3486123), (90, 3098776), (120, 2324082), (144, 1936735), (173, 1612080), (180, 1549388), (240, 1162041), (346, 806040), (360, 774694), (519, 537360), (692, 403020), (720, 387347), (865, 322416), (1038, 268680), (1384, 201510), (1557, 179120), (1730, 161208), (2076, 134340), (2239, 124560), (2595, 107472), (2768, 100755), (3114, 89560), (3460, 80604), (4152, 67170), (4478, 62280), (5190, 53736), (6228, 44780), (6717, 41520), (6920, 40302), (7785, 35824), (8304, 33585), (8956, 31140), (10380, 26868), (11195, 24912), (12456, 22390), (13434, 20760), (13840, 20151), (15570, 17912)]