51726420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 165477312

約数和(自身を除く): 113750892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 43, 45, 60, 82, 86, 90, 123, 129, 163, 164, 172, 180, 205, 215, 246, 258, 326, 369, 387, 410, 430, 489, 492, 516, 615, 645, 652, 738, 774, 815, 820, 860, 978, 1230, 1290, 1467, 1476, 1548, 1630, 1763, 1845, 1935, 1956, 2445, 2460, 2580, 2934, 3260, 3526, 3690, 3870, 4890, 5289, 5868, 6683, 7009, 7052, 7335, 7380, 7740, 8815, 9780, 10578, 13366, 14018, 14670, 15867, 17630, 20049, 21027, 21156, 26445, 26732, 28036, 29340, 31734, 33415, 35045, 35260, 40098, 42054, 52890, 60147, 63081, 63468, 66830, 70090, 79335, 80196, 84108, 100245, 105135, 105780, 120294, 126162, 133660, 140180, 158670, 200490, 210270, 240588, 252324, 287369, 300735, 315405, 317340, 400980, 420540, 574738, 601470, 630810, 862107, 1149476, 1202940, 1261620, 1436845, 1724214, 2586321, 2873690, 3448428, 4310535, 5172642, 5747380, 8621070, 10345284, 12931605, 17242140, 25863210, 51726420]

約数ペア:

[(1, 51726420), (2, 25863210), (3, 17242140), (4, 12931605), (5, 10345284), (6, 8621070), (9, 5747380), (10, 5172642), (12, 4310535), (15, 3448428), (18, 2873690), (20, 2586321), (30, 1724214), (36, 1436845), (41, 1261620), (43, 1202940), (45, 1149476), (60, 862107), (82, 630810), (86, 601470), (90, 574738), (123, 420540), (129, 400980), (163, 317340), (164, 315405), (172, 300735), (180, 287369), (205, 252324), (215, 240588), (246, 210270), (258, 200490), (326, 158670), (369, 140180), (387, 133660), (410, 126162), (430, 120294), (489, 105780), (492, 105135), (516, 100245), (615, 84108), (645, 80196), (652, 79335), (738, 70090), (774, 66830), (815, 63468), (820, 63081), (860, 60147), (978, 52890), (1230, 42054), (1290, 40098), (1467, 35260), (1476, 35045), (1548, 33415), (1630, 31734), (1763, 29340), (1845, 28036), (1935, 26732), (1956, 26445), (2445, 21156), (2460, 21027), (2580, 20049), (2934, 17630), (3260, 15867), (3526, 14670), (3690, 14018), (3870, 13366), (4890, 10578), (5289, 9780), (5868, 8815), (6683, 7740), (7009, 7380), (7052, 7335)]