68257440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{443}}^1$

素因数の和:571

約数の個数: 144

約数和(自身を含む): 235636128

約数和(自身を除く): 167378688

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 107, 120, 144, 160, 180, 214, 240, 288, 321, 360, 428, 443, 480, 535, 642, 720, 856, 886, 963, 1070, 1284, 1329, 1440, 1605, 1712, 1772, 1926, 2140, 2215, 2568, 2658, 3210, 3424, 3544, 3852, 3987, 4280, 4430, 4815, 5136, 5316, 6420, 6645, 7088, 7704, 7974, 8560, 8860, 9630, 10272, 10632, 12840, 13290, 14176, 15408, 15948, 17120, 17720, 19260, 19935, 21264, 25680, 26580, 30816, 31896, 35440, 38520, 39870, 42528, 47401, 51360, 53160, 63792, 70880, 77040, 79740, 94802, 106320, 127584, 142203, 154080, 159480, 189604, 212640, 237005, 284406, 318960, 379208, 426609, 474010, 568812, 637920, 711015, 758416, 853218, 948020, 1137624, 1422030, 1516832, 1706436, 1896040, 2133045, 2275248, 2844060, 3412872, 3792080, 4266090, 4550496, 5688120, 6825744, 7584160, 8532180, 11376240, 13651488, 17064360, 22752480, 34128720, 68257440]

約数ペア:

[(1, 68257440), (2, 34128720), (3, 22752480), (4, 17064360), (5, 13651488), (6, 11376240), (8, 8532180), (9, 7584160), (10, 6825744), (12, 5688120), (15, 4550496), (16, 4266090), (18, 3792080), (20, 3412872), (24, 2844060), (30, 2275248), (32, 2133045), (36, 1896040), (40, 1706436), (45, 1516832), (48, 1422030), (60, 1137624), (72, 948020), (80, 853218), (90, 758416), (96, 711015), (107, 637920), (120, 568812), (144, 474010), (160, 426609), (180, 379208), (214, 318960), (240, 284406), (288, 237005), (321, 212640), (360, 189604), (428, 159480), (443, 154080), (480, 142203), (535, 127584), (642, 106320), (720, 94802), (856, 79740), (886, 77040), (963, 70880), (1070, 63792), (1284, 53160), (1329, 51360), (1440, 47401), (1605, 42528), (1712, 39870), (1772, 38520), (1926, 35440), (2140, 31896), (2215, 30816), (2568, 26580), (2658, 25680), (3210, 21264), (3424, 19935), (3544, 19260), (3852, 17720), (3987, 17120), (4280, 15948), (4430, 15408), (4815, 14176), (5136, 13290), (5316, 12840), (6420, 10632), (6645, 10272), (7088, 9630), (7704, 8860), (7974, 8560)]