2531340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{41}}^1$

素因数の和:77

約数の個数: 144

約数和(自身を含む): 9172800

約数和(自身を除く): 6641460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 45, 49, 60, 63, 70, 82, 84, 90, 98, 105, 123, 126, 140, 147, 164, 180, 196, 205, 210, 245, 246, 252, 287, 294, 315, 343, 369, 410, 420, 441, 490, 492, 574, 588, 615, 630, 686, 735, 738, 820, 861, 882, 980, 1029, 1148, 1230, 1260, 1372, 1435, 1470, 1476, 1715, 1722, 1764, 1845, 2009, 2058, 2205, 2460, 2583, 2870, 2940, 3087, 3430, 3444, 3690, 4018, 4116, 4305, 4410, 5145, 5166, 5740, 6027, 6174, 6860, 7380, 8036, 8610, 8820, 10045, 10290, 10332, 12054, 12348, 12915, 14063, 15435, 17220, 18081, 20090, 20580, 24108, 25830, 28126, 30135, 30870, 36162, 40180, 42189, 51660, 56252, 60270, 61740, 70315, 72324, 84378, 90405, 120540, 126567, 140630, 168756, 180810, 210945, 253134, 281260, 361620, 421890, 506268, 632835, 843780, 1265670, 2531340]

約数ペア:

[(1, 2531340), (2, 1265670), (3, 843780), (4, 632835), (5, 506268), (6, 421890), (7, 361620), (9, 281260), (10, 253134), (12, 210945), (14, 180810), (15, 168756), (18, 140630), (20, 126567), (21, 120540), (28, 90405), (30, 84378), (35, 72324), (36, 70315), (41, 61740), (42, 60270), (45, 56252), (49, 51660), (60, 42189), (63, 40180), (70, 36162), (82, 30870), (84, 30135), (90, 28126), (98, 25830), (105, 24108), (123, 20580), (126, 20090), (140, 18081), (147, 17220), (164, 15435), (180, 14063), (196, 12915), (205, 12348), (210, 12054), (245, 10332), (246, 10290), (252, 10045), (287, 8820), (294, 8610), (315, 8036), (343, 7380), (369, 6860), (410, 6174), (420, 6027), (441, 5740), (490, 5166), (492, 5145), (574, 4410), (588, 4305), (615, 4116), (630, 4018), (686, 3690), (735, 3444), (738, 3430), (820, 3087), (861, 2940), (882, 2870), (980, 2583), (1029, 2460), (1148, 2205), (1230, 2058), (1260, 2009), (1372, 1845), (1435, 1764), (1470, 1722), (1476, 1715)]