2755440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:151

約数の個数: 120

約数和(自身を含む): 9575280

約数和(自身を除く): 6819840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 89, 90, 120, 129, 144, 172, 178, 180, 215, 240, 258, 267, 344, 356, 360, 387, 430, 445, 516, 534, 645, 688, 712, 720, 774, 801, 860, 890, 1032, 1068, 1290, 1335, 1424, 1548, 1602, 1720, 1780, 1935, 2064, 2136, 2580, 2670, 3096, 3204, 3440, 3560, 3827, 3870, 4005, 4272, 5160, 5340, 6192, 6408, 7120, 7654, 7740, 8010, 10320, 10680, 11481, 12816, 15308, 15480, 16020, 19135, 21360, 22962, 30616, 30960, 32040, 34443, 38270, 45924, 57405, 61232, 64080, 68886, 76540, 91848, 114810, 137772, 153080, 172215, 183696, 229620, 275544, 306160, 344430, 459240, 551088, 688860, 918480, 1377720, 2755440]

約数ペア:

[(1, 2755440), (2, 1377720), (3, 918480), (4, 688860), (5, 551088), (6, 459240), (8, 344430), (9, 306160), (10, 275544), (12, 229620), (15, 183696), (16, 172215), (18, 153080), (20, 137772), (24, 114810), (30, 91848), (36, 76540), (40, 68886), (43, 64080), (45, 61232), (48, 57405), (60, 45924), (72, 38270), (80, 34443), (86, 32040), (89, 30960), (90, 30616), (120, 22962), (129, 21360), (144, 19135), (172, 16020), (178, 15480), (180, 15308), (215, 12816), (240, 11481), (258, 10680), (267, 10320), (344, 8010), (356, 7740), (360, 7654), (387, 7120), (430, 6408), (445, 6192), (516, 5340), (534, 5160), (645, 4272), (688, 4005), (712, 3870), (720, 3827), (774, 3560), (801, 3440), (860, 3204), (890, 3096), (1032, 2670), (1068, 2580), (1290, 2136), (1335, 2064), (1424, 1935), (1548, 1780), (1602, 1720)]