61331580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{131}}^1$

素因数の和:186

約数の個数: 180

約数和(自身を含む): 205942968

約数和(自身を除く): 144611388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 131, 135, 153, 162, 170, 180, 204, 255, 262, 270, 289, 306, 324, 340, 393, 405, 459, 510, 524, 540, 578, 612, 655, 765, 786, 810, 867, 918, 1020, 1156, 1179, 1310, 1377, 1445, 1530, 1572, 1620, 1734, 1836, 1965, 2227, 2295, 2358, 2601, 2620, 2754, 2890, 3060, 3468, 3537, 3930, 4335, 4454, 4590, 4716, 5202, 5508, 5780, 5895, 6681, 6885, 7074, 7803, 7860, 8670, 8908, 9180, 10404, 10611, 11135, 11790, 13005, 13362, 13770, 14148, 15606, 17340, 17685, 20043, 21222, 22270, 23409, 23580, 26010, 26724, 27540, 31212, 33405, 35370, 37859, 39015, 40086, 42444, 44540, 46818, 52020, 53055, 60129, 66810, 70740, 75718, 78030, 80172, 93636, 100215, 106110, 113577, 117045, 120258, 133620, 151436, 156060, 180387, 189295, 200430, 212220, 227154, 234090, 240516, 300645, 340731, 360774, 378590, 400860, 454308, 468180, 567885, 601290, 681462, 721548, 757180, 901935, 1022193, 1135770, 1202580, 1362924, 1703655, 1803870, 2044386, 2271540, 3066579, 3407310, 3607740, 4088772, 5110965, 6133158, 6814620, 10221930, 12266316, 15332895, 20443860, 30665790, 61331580]

約数ペア:

[(1, 61331580), (2, 30665790), (3, 20443860), (4, 15332895), (5, 12266316), (6, 10221930), (9, 6814620), (10, 6133158), (12, 5110965), (15, 4088772), (17, 3607740), (18, 3407310), (20, 3066579), (27, 2271540), (30, 2044386), (34, 1803870), (36, 1703655), (45, 1362924), (51, 1202580), (54, 1135770), (60, 1022193), (68, 901935), (81, 757180), (85, 721548), (90, 681462), (102, 601290), (108, 567885), (131, 468180), (135, 454308), (153, 400860), (162, 378590), (170, 360774), (180, 340731), (204, 300645), (255, 240516), (262, 234090), (270, 227154), (289, 212220), (306, 200430), (324, 189295), (340, 180387), (393, 156060), (405, 151436), (459, 133620), (510, 120258), (524, 117045), (540, 113577), (578, 106110), (612, 100215), (655, 93636), (765, 80172), (786, 78030), (810, 75718), (867, 70740), (918, 66810), (1020, 60129), (1156, 53055), (1179, 52020), (1310, 46818), (1377, 44540), (1445, 42444), (1530, 40086), (1572, 39015), (1620, 37859), (1734, 35370), (1836, 33405), (1965, 31212), (2227, 27540), (2295, 26724), (2358, 26010), (2601, 23580), (2620, 23409), (2754, 22270), (2890, 21222), (3060, 20043), (3468, 17685), (3537, 17340), (3930, 15606), (4335, 14148), (4454, 13770), (4590, 13362), (4716, 13005), (5202, 11790), (5508, 11135), (5780, 10611), (5895, 10404), (6681, 9180), (6885, 8908), (7074, 8670), (7803, 7860)]