254221740

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{181}}^1$

素因数の和:239

約数の個数: 216

約数和(自身を含む): 854201712

約数和(自身を除く): 599979972

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, 135, 153, 162, 170, 180, 181, 204, 243, 255, 270, 289, 306, 324, 340, 362, 405, 459, 486, 510, 540, 543, 578, 612, 724, 765, 810, 867, 905, 918, 972, 1020, 1086, 1156, 1215, 1377, 1445, 1530, 1620, 1629, 1734, 1810, 1836, 2172, 2295, 2430, 2601, 2715, 2754, 2890, 3060, 3077, 3258, 3468, 3620, 4131, 4335, 4590, 4860, 4887, 5202, 5430, 5508, 5780, 6154, 6516, 6885, 7803, 8145, 8262, 8670, 9180, 9231, 9774, 10404, 10860, 12308, 13005, 13770, 14661, 15385, 15606, 16290, 16524, 17340, 18462, 19548, 20655, 23409, 24435, 26010, 27540, 27693, 29322, 30770, 31212, 32580, 36924, 39015, 41310, 43983, 46155, 46818, 48870, 52020, 52309, 55386, 58644, 61540, 70227, 73305, 78030, 82620, 83079, 87966, 92310, 93636, 97740, 104618, 110772, 117045, 138465, 140454, 146610, 156060, 156927, 166158, 175932, 184620, 209236, 219915, 234090, 249237, 261545, 276930, 280908, 293220, 313854, 332316, 351135, 415395, 439830, 468180, 470781, 498474, 523090, 553860, 627708, 702270, 747711, 784635, 830790, 879660, 941562, 996948, 1046180, 1246185, 1404540, 1412343, 1495422, 1569270, 1661580, 1883124, 2353905, 2492370, 2824686, 2990844, 3138540, 3738555, 4237029, 4707810, 4984740, 5649372, 7061715, 7477110, 8474058, 9415620, 12711087, 14123430, 14954220, 16948116, 21185145, 25422174, 28246860, 42370290, 50844348, 63555435, 84740580, 127110870, 254221740]

約数ペア:

[(1, 254221740), (2, 127110870), (3, 84740580), (4, 63555435), (5, 50844348), (6, 42370290), (9, 28246860), (10, 25422174), (12, 21185145), (15, 16948116), (17, 14954220), (18, 14123430), (20, 12711087), (27, 9415620), (30, 8474058), (34, 7477110), (36, 7061715), (45, 5649372), (51, 4984740), (54, 4707810), (60, 4237029), (68, 3738555), (81, 3138540), (85, 2990844), (90, 2824686), (102, 2492370), (108, 2353905), (135, 1883124), (153, 1661580), (162, 1569270), (170, 1495422), (180, 1412343), (181, 1404540), (204, 1246185), (243, 1046180), (255, 996948), (270, 941562), (289, 879660), (306, 830790), (324, 784635), (340, 747711), (362, 702270), (405, 627708), (459, 553860), (486, 523090), (510, 498474), (540, 470781), (543, 468180), (578, 439830), (612, 415395), (724, 351135), (765, 332316), (810, 313854), (867, 293220), (905, 280908), (918, 276930), (972, 261545), (1020, 249237), (1086, 234090), (1156, 219915), (1215, 209236), (1377, 184620), (1445, 175932), (1530, 166158), (1620, 156927), (1629, 156060), (1734, 146610), (1810, 140454), (1836, 138465), (2172, 117045), (2295, 110772), (2430, 104618), (2601, 97740), (2715, 93636), (2754, 92310), (2890, 87966), (3060, 83079), (3077, 82620), (3258, 78030), (3468, 73305), (3620, 70227), (4131, 61540), (4335, 58644), (4590, 55386), (4860, 52309), (4887, 52020), (5202, 48870), (5430, 46818), (5508, 46155), (5780, 43983), (6154, 41310), (6516, 39015), (6885, 36924), (7803, 32580), (8145, 31212), (8262, 30770), (8670, 29322), (9180, 27693), (9231, 27540), (9774, 26010), (10404, 24435), (10860, 23409), (12308, 20655), (13005, 19548), (13770, 18462), (14661, 17340), (15385, 16524), (15606, 16290)]