253121220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1063

約数の個数: 192

約数和(自身を含む): 879943680

約数和(自身を除く): 626822460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 43, 44, 45, 54, 55, 60, 66, 86, 90, 99, 108, 110, 129, 132, 135, 165, 172, 180, 198, 215, 220, 258, 270, 297, 330, 387, 396, 430, 473, 495, 516, 540, 594, 645, 660, 774, 860, 946, 990, 991, 1161, 1188, 1290, 1419, 1485, 1548, 1892, 1935, 1980, 1982, 2322, 2365, 2580, 2838, 2970, 2973, 3870, 3964, 4257, 4644, 4730, 4955, 5676, 5805, 5940, 5946, 7095, 7740, 8514, 8919, 9460, 9910, 10901, 11610, 11892, 12771, 14190, 14865, 17028, 17838, 19820, 21285, 21802, 23220, 25542, 26757, 28380, 29730, 32703, 35676, 42570, 42613, 43604, 44595, 51084, 53514, 54505, 59460, 63855, 65406, 85140, 85226, 89190, 98109, 107028, 109010, 127710, 127839, 130812, 133785, 163515, 170452, 178380, 196218, 213065, 218020, 255420, 255678, 267570, 294327, 327030, 383517, 392436, 426130, 468743, 490545, 511356, 535140, 588654, 639195, 654060, 767034, 852260, 937486, 981090, 1150551, 1177308, 1278390, 1406229, 1471635, 1534068, 1874972, 1917585, 1962180, 2301102, 2343715, 2556780, 2812458, 2943270, 3835170, 4218687, 4602204, 4687430, 5624916, 5752755, 5886540, 7031145, 7670340, 8437374, 9374860, 11505510, 12656061, 14062290, 16874748, 21093435, 23011020, 25312122, 28124580, 42186870, 50624244, 63280305, 84373740, 126560610, 253121220]

約数ペア:

[(1, 253121220), (2, 126560610), (3, 84373740), (4, 63280305), (5, 50624244), (6, 42186870), (9, 28124580), (10, 25312122), (11, 23011020), (12, 21093435), (15, 16874748), (18, 14062290), (20, 12656061), (22, 11505510), (27, 9374860), (30, 8437374), (33, 7670340), (36, 7031145), (43, 5886540), (44, 5752755), (45, 5624916), (54, 4687430), (55, 4602204), (60, 4218687), (66, 3835170), (86, 2943270), (90, 2812458), (99, 2556780), (108, 2343715), (110, 2301102), (129, 1962180), (132, 1917585), (135, 1874972), (165, 1534068), (172, 1471635), (180, 1406229), (198, 1278390), (215, 1177308), (220, 1150551), (258, 981090), (270, 937486), (297, 852260), (330, 767034), (387, 654060), (396, 639195), (430, 588654), (473, 535140), (495, 511356), (516, 490545), (540, 468743), (594, 426130), (645, 392436), (660, 383517), (774, 327030), (860, 294327), (946, 267570), (990, 255678), (991, 255420), (1161, 218020), (1188, 213065), (1290, 196218), (1419, 178380), (1485, 170452), (1548, 163515), (1892, 133785), (1935, 130812), (1980, 127839), (1982, 127710), (2322, 109010), (2365, 107028), (2580, 98109), (2838, 89190), (2970, 85226), (2973, 85140), (3870, 65406), (3964, 63855), (4257, 59460), (4644, 54505), (4730, 53514), (4955, 51084), (5676, 44595), (5805, 43604), (5940, 42613), (5946, 42570), (7095, 35676), (7740, 32703), (8514, 29730), (8919, 28380), (9460, 26757), (9910, 25542), (10901, 23220), (11610, 21802), (11892, 21285), (12771, 19820), (14190, 17838), (14865, 17028)]