31244940

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{2143}}^1$

素因数の和:2170

約数の個数: 84

約数和(自身を含む): 98422464

約数和(自身を除く): 67177524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1458, 1620, 2143, 2430, 2916, 3645, 4286, 4860, 6429, 7290, 8572, 10715, 12858, 14580, 19287, 21430, 25716, 32145, 38574, 42860, 57861, 64290, 77148, 96435, 115722, 128580, 173583, 192870, 231444, 289305, 347166, 385740, 520749, 578610, 694332, 867915, 1041498, 1157220, 1562247, 1735830, 2082996, 2603745, 3124494, 3471660, 5207490, 6248988, 7811235, 10414980, 15622470, 31244940]

約数ペア:

[(1, 31244940), (2, 15622470), (3, 10414980), (4, 7811235), (5, 6248988), (6, 5207490), (9, 3471660), (10, 3124494), (12, 2603745), (15, 2082996), (18, 1735830), (20, 1562247), (27, 1157220), (30, 1041498), (36, 867915), (45, 694332), (54, 578610), (60, 520749), (81, 385740), (90, 347166), (108, 289305), (135, 231444), (162, 192870), (180, 173583), (243, 128580), (270, 115722), (324, 96435), (405, 77148), (486, 64290), (540, 57861), (729, 42860), (810, 38574), (972, 32145), (1215, 25716), (1458, 21430), (1620, 19287), (2143, 14580), (2430, 12858), (2916, 10715), (3645, 8572), (4286, 7290), (4860, 6429)]