321361280

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:428

約数の個数: 128

約数和(自身を含む): 810704160

約数和(自身を除く): 489342880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 41, 64, 74, 80, 82, 128, 148, 160, 164, 185, 205, 296, 320, 328, 331, 370, 410, 592, 640, 656, 662, 740, 820, 1184, 1312, 1324, 1480, 1517, 1640, 1655, 2368, 2624, 2648, 2960, 3034, 3280, 3310, 4736, 5248, 5296, 5920, 6068, 6560, 6620, 7585, 10592, 11840, 12136, 12247, 13120, 13240, 13571, 15170, 21184, 23680, 24272, 24494, 26240, 26480, 27142, 30340, 42368, 48544, 48988, 52960, 54284, 60680, 61235, 67855, 97088, 97976, 105920, 108568, 121360, 122470, 135710, 194176, 195952, 211840, 217136, 242720, 244940, 271420, 391904, 434272, 485440, 489880, 502127, 542840, 783808, 868544, 970880, 979760, 1004254, 1085680, 1567616, 1737088, 1959520, 2008508, 2171360, 2510635, 3919040, 4017016, 4342720, 5021270, 7838080, 8034032, 8685440, 10042540, 16068064, 20085080, 32136128, 40170160, 64272256, 80340320, 160680640, 321361280]

約数ペア:

[(1, 321361280), (2, 160680640), (4, 80340320), (5, 64272256), (8, 40170160), (10, 32136128), (16, 20085080), (20, 16068064), (32, 10042540), (37, 8685440), (40, 8034032), (41, 7838080), (64, 5021270), (74, 4342720), (80, 4017016), (82, 3919040), (128, 2510635), (148, 2171360), (160, 2008508), (164, 1959520), (185, 1737088), (205, 1567616), (296, 1085680), (320, 1004254), (328, 979760), (331, 970880), (370, 868544), (410, 783808), (592, 542840), (640, 502127), (656, 489880), (662, 485440), (740, 434272), (820, 391904), (1184, 271420), (1312, 244940), (1324, 242720), (1480, 217136), (1517, 211840), (1640, 195952), (1655, 194176), (2368, 135710), (2624, 122470), (2648, 121360), (2960, 108568), (3034, 105920), (3280, 97976), (3310, 97088), (4736, 67855), (5248, 61235), (5296, 60680), (5920, 54284), (6068, 52960), (6560, 48988), (6620, 48544), (7585, 42368), (10592, 30340), (11840, 27142), (12136, 26480), (12247, 26240), (13120, 24494), (13240, 24272), (13571, 23680), (15170, 21184)]