90995220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:390

約数の個数: 144

約数和(自身を含む): 295783488

約数和(自身を除く): 204788268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 131, 153, 170, 180, 204, 227, 255, 262, 306, 340, 393, 454, 510, 524, 612, 655, 681, 765, 786, 908, 1020, 1135, 1179, 1310, 1362, 1530, 1572, 1965, 2043, 2227, 2270, 2358, 2620, 2724, 3060, 3405, 3859, 3930, 4086, 4454, 4540, 4716, 5895, 6681, 6810, 7718, 7860, 8172, 8908, 10215, 11135, 11577, 11790, 13362, 13620, 15436, 19295, 20043, 20430, 22270, 23154, 23580, 26724, 29737, 33405, 34731, 38590, 40086, 40860, 44540, 46308, 57885, 59474, 66810, 69462, 77180, 80172, 89211, 100215, 115770, 118948, 133620, 138924, 148685, 173655, 178422, 200430, 231540, 267633, 297370, 347310, 356844, 400860, 446055, 505529, 535266, 594740, 694620, 892110, 1011058, 1070532, 1338165, 1516587, 1784220, 2022116, 2527645, 2676330, 3033174, 4549761, 5055290, 5352660, 6066348, 7582935, 9099522, 10110580, 15165870, 18199044, 22748805, 30331740, 45497610, 90995220]

約数ペア:

[(1, 90995220), (2, 45497610), (3, 30331740), (4, 22748805), (5, 18199044), (6, 15165870), (9, 10110580), (10, 9099522), (12, 7582935), (15, 6066348), (17, 5352660), (18, 5055290), (20, 4549761), (30, 3033174), (34, 2676330), (36, 2527645), (45, 2022116), (51, 1784220), (60, 1516587), (68, 1338165), (85, 1070532), (90, 1011058), (102, 892110), (131, 694620), (153, 594740), (170, 535266), (180, 505529), (204, 446055), (227, 400860), (255, 356844), (262, 347310), (306, 297370), (340, 267633), (393, 231540), (454, 200430), (510, 178422), (524, 173655), (612, 148685), (655, 138924), (681, 133620), (765, 118948), (786, 115770), (908, 100215), (1020, 89211), (1135, 80172), (1179, 77180), (1310, 69462), (1362, 66810), (1530, 59474), (1572, 57885), (1965, 46308), (2043, 44540), (2227, 40860), (2270, 40086), (2358, 38590), (2620, 34731), (2724, 33405), (3060, 29737), (3405, 26724), (3859, 23580), (3930, 23154), (4086, 22270), (4454, 20430), (4540, 20043), (4716, 19295), (5895, 15436), (6681, 13620), (6810, 13362), (7718, 11790), (7860, 11577), (8172, 11135), (8908, 10215)]