31973940

素因数分解:

$2^2\times 3^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:90

約数の個数: 192

約数和(自身を含む): 109105920

約数和(自身を除く): 77131980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 43, 45, 51, 54, 60, 68, 81, 85, 86, 90, 102, 108, 129, 135, 153, 162, 170, 172, 180, 204, 215, 243, 255, 258, 270, 306, 324, 340, 387, 405, 430, 459, 486, 510, 516, 540, 612, 645, 729, 731, 765, 774, 810, 860, 918, 972, 1020, 1161, 1215, 1290, 1377, 1458, 1462, 1530, 1548, 1620, 1836, 1935, 2187, 2193, 2295, 2322, 2430, 2580, 2754, 2916, 2924, 3060, 3483, 3645, 3655, 3870, 4131, 4374, 4386, 4590, 4644, 4860, 5508, 5805, 6579, 6885, 6966, 7290, 7310, 7740, 8262, 8748, 8772, 9180, 10449, 10935, 10965, 11610, 12393, 13158, 13770, 13932, 14580, 14620, 16524, 17415, 19737, 20655, 20898, 21870, 21930, 23220, 24786, 26316, 27540, 31347, 32895, 34830, 37179, 39474, 41310, 41796, 43740, 43860, 49572, 52245, 59211, 61965, 62694, 65790, 69660, 74358, 78948, 82620, 94041, 98685, 104490, 118422, 123930, 125388, 131580, 148716, 156735, 177633, 185895, 188082, 197370, 208980, 236844, 247860, 296055, 313470, 355266, 371790, 376164, 394740, 470205, 532899, 592110, 626940, 710532, 743580, 888165, 940410, 1065798, 1184220, 1598697, 1776330, 1880820, 2131596, 2664495, 3197394, 3552660, 5328990, 6394788, 7993485, 10657980, 15986970, 31973940]

約数ペア:

[(1, 31973940), (2, 15986970), (3, 10657980), (4, 7993485), (5, 6394788), (6, 5328990), (9, 3552660), (10, 3197394), (12, 2664495), (15, 2131596), (17, 1880820), (18, 1776330), (20, 1598697), (27, 1184220), (30, 1065798), (34, 940410), (36, 888165), (43, 743580), (45, 710532), (51, 626940), (54, 592110), (60, 532899), (68, 470205), (81, 394740), (85, 376164), (86, 371790), (90, 355266), (102, 313470), (108, 296055), (129, 247860), (135, 236844), (153, 208980), (162, 197370), (170, 188082), (172, 185895), (180, 177633), (204, 156735), (215, 148716), (243, 131580), (255, 125388), (258, 123930), (270, 118422), (306, 104490), (324, 98685), (340, 94041), (387, 82620), (405, 78948), (430, 74358), (459, 69660), (486, 65790), (510, 62694), (516, 61965), (540, 59211), (612, 52245), (645, 49572), (729, 43860), (731, 43740), (765, 41796), (774, 41310), (810, 39474), (860, 37179), (918, 34830), (972, 32895), (1020, 31347), (1161, 27540), (1215, 26316), (1290, 24786), (1377, 23220), (1458, 21930), (1462, 21870), (1530, 20898), (1548, 20655), (1620, 19737), (1836, 17415), (1935, 16524), (2187, 14620), (2193, 14580), (2295, 13932), (2322, 13770), (2430, 13158), (2580, 12393), (2754, 11610), (2916, 10965), (2924, 10935), (3060, 10449), (3483, 9180), (3645, 8772), (3655, 8748), (3870, 8262), (4131, 7740), (4374, 7310), (4386, 7290), (4590, 6966), (4644, 6885), (4860, 6579), (5508, 5805)]