31955580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^2$

素因数の和:153

約数の個数: 144

約数和(自身を含む): 107079840

約数和(自身を除く): 75124260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 59, 60, 68, 85, 90, 102, 108, 118, 135, 153, 170, 177, 180, 204, 236, 255, 270, 295, 306, 340, 354, 459, 510, 531, 540, 590, 612, 708, 765, 885, 918, 1003, 1020, 1062, 1180, 1530, 1593, 1770, 1836, 2006, 2124, 2295, 2655, 3009, 3060, 3186, 3481, 3540, 4012, 4590, 5015, 5310, 6018, 6372, 6962, 7965, 9027, 9180, 10030, 10443, 10620, 12036, 13924, 15045, 15930, 17405, 18054, 20060, 20886, 27081, 30090, 31329, 31860, 34810, 36108, 41772, 45135, 52215, 54162, 59177, 60180, 62658, 69620, 90270, 93987, 104430, 108324, 118354, 125316, 135405, 156645, 177531, 180540, 187974, 208860, 236708, 270810, 295885, 313290, 355062, 375948, 469935, 532593, 541620, 591770, 626580, 710124, 887655, 939870, 1065186, 1183540, 1597779, 1775310, 1879740, 2130372, 2662965, 3195558, 3550620, 5325930, 6391116, 7988895, 10651860, 15977790, 31955580]

約数ペア:

[(1, 31955580), (2, 15977790), (3, 10651860), (4, 7988895), (5, 6391116), (6, 5325930), (9, 3550620), (10, 3195558), (12, 2662965), (15, 2130372), (17, 1879740), (18, 1775310), (20, 1597779), (27, 1183540), (30, 1065186), (34, 939870), (36, 887655), (45, 710124), (51, 626580), (54, 591770), (59, 541620), (60, 532593), (68, 469935), (85, 375948), (90, 355062), (102, 313290), (108, 295885), (118, 270810), (135, 236708), (153, 208860), (170, 187974), (177, 180540), (180, 177531), (204, 156645), (236, 135405), (255, 125316), (270, 118354), (295, 108324), (306, 104430), (340, 93987), (354, 90270), (459, 69620), (510, 62658), (531, 60180), (540, 59177), (590, 54162), (612, 52215), (708, 45135), (765, 41772), (885, 36108), (918, 34810), (1003, 31860), (1020, 31329), (1062, 30090), (1180, 27081), (1530, 20886), (1593, 20060), (1770, 18054), (1836, 17405), (2006, 15930), (2124, 15045), (2295, 13924), (2655, 12036), (3009, 10620), (3060, 10443), (3186, 10030), (3481, 9180), (3540, 9027), (4012, 7965), (4590, 6962), (5015, 6372), (5310, 6018)]