51213240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:414

約数の個数: 192

約数和(自身を含む): 185552640

約数和(自身を除く): 134339400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 52, 60, 62, 65, 72, 78, 90, 93, 104, 117, 120, 124, 130, 155, 156, 180, 186, 195, 234, 248, 260, 279, 310, 312, 353, 360, 372, 390, 403, 465, 468, 520, 558, 585, 620, 706, 744, 780, 806, 930, 936, 1059, 1116, 1170, 1209, 1240, 1395, 1412, 1560, 1612, 1765, 1860, 2015, 2118, 2232, 2340, 2418, 2790, 2824, 3177, 3224, 3530, 3627, 3720, 4030, 4236, 4589, 4680, 4836, 5295, 5580, 6045, 6354, 7060, 7254, 8060, 8472, 9178, 9672, 10590, 10943, 11160, 12090, 12708, 13767, 14120, 14508, 15885, 16120, 18135, 18356, 21180, 21886, 22945, 24180, 25416, 27534, 29016, 31770, 32829, 36270, 36712, 41301, 42360, 43772, 45890, 48360, 54715, 55068, 63540, 65658, 68835, 72540, 82602, 87544, 91780, 98487, 109430, 110136, 127080, 131316, 137670, 142259, 145080, 164145, 165204, 183560, 196974, 206505, 218860, 262632, 275340, 284518, 328290, 330408, 393948, 413010, 426777, 437720, 492435, 550680, 569036, 656580, 711295, 787896, 826020, 853554, 984870, 1138072, 1280331, 1313160, 1422590, 1652040, 1707108, 1969740, 2133885, 2560662, 2845180, 3414216, 3939480, 4267770, 5121324, 5690360, 6401655, 8535540, 10242648, 12803310, 17071080, 25606620, 51213240]

約数ペア:

[(1, 51213240), (2, 25606620), (3, 17071080), (4, 12803310), (5, 10242648), (6, 8535540), (8, 6401655), (9, 5690360), (10, 5121324), (12, 4267770), (13, 3939480), (15, 3414216), (18, 2845180), (20, 2560662), (24, 2133885), (26, 1969740), (30, 1707108), (31, 1652040), (36, 1422590), (39, 1313160), (40, 1280331), (45, 1138072), (52, 984870), (60, 853554), (62, 826020), (65, 787896), (72, 711295), (78, 656580), (90, 569036), (93, 550680), (104, 492435), (117, 437720), (120, 426777), (124, 413010), (130, 393948), (155, 330408), (156, 328290), (180, 284518), (186, 275340), (195, 262632), (234, 218860), (248, 206505), (260, 196974), (279, 183560), (310, 165204), (312, 164145), (353, 145080), (360, 142259), (372, 137670), (390, 131316), (403, 127080), (465, 110136), (468, 109430), (520, 98487), (558, 91780), (585, 87544), (620, 82602), (706, 72540), (744, 68835), (780, 65658), (806, 63540), (930, 55068), (936, 54715), (1059, 48360), (1116, 45890), (1170, 43772), (1209, 42360), (1240, 41301), (1395, 36712), (1412, 36270), (1560, 32829), (1612, 31770), (1765, 29016), (1860, 27534), (2015, 25416), (2118, 24180), (2232, 22945), (2340, 21886), (2418, 21180), (2790, 18356), (2824, 18135), (3177, 16120), (3224, 15885), (3530, 14508), (3627, 14120), (3720, 13767), (4030, 12708), (4236, 12090), (4589, 11160), (4680, 10943), (4836, 10590), (5295, 9672), (5580, 9178), (6045, 8472), (6354, 8060), (7060, 7254)]