855972180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{907}}^1$

素因数の和:1043

約数の個数: 216

約数和(自身を含む): 3051947808

約数和(自身を除く): 2195975628

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 107, 126, 140, 147, 180, 196, 210, 214, 245, 252, 294, 315, 321, 420, 428, 441, 490, 535, 588, 630, 642, 735, 749, 882, 907, 963, 980, 1070, 1260, 1284, 1470, 1498, 1605, 1764, 1814, 1926, 2140, 2205, 2247, 2721, 2940, 2996, 3210, 3628, 3745, 3852, 4410, 4494, 4535, 4815, 5243, 5442, 6349, 6420, 6741, 7490, 8163, 8820, 8988, 9070, 9630, 10486, 10884, 11235, 12698, 13482, 13605, 14980, 15729, 16326, 18140, 19047, 19260, 20972, 22470, 25396, 26215, 26964, 27210, 31458, 31745, 32652, 33705, 38094, 40815, 44443, 44940, 47187, 52430, 54420, 57141, 62916, 63490, 67410, 76188, 78645, 81630, 88886, 94374, 95235, 97049, 104860, 114282, 126980, 133329, 134820, 157290, 163260, 177772, 188748, 190470, 194098, 222215, 228564, 235935, 266658, 285705, 291147, 314580, 380940, 388196, 399987, 444430, 471870, 485245, 533316, 571410, 582294, 666645, 679343, 799974, 873441, 888860, 943740, 970490, 1142820, 1164588, 1333290, 1358686, 1455735, 1599948, 1746882, 1940980, 1999935, 2038029, 2666580, 2717372, 2911470, 3396715, 3493764, 3999870, 4076058, 4367205, 4755401, 5822940, 6114087, 6793430, 7999740, 8152116, 8734410, 9510802, 10190145, 12228174, 13586860, 14266203, 17468820, 19021604, 20380290, 23777005, 24456348, 28532406, 30570435, 40760580, 42798609, 47554010, 57064812, 61140870, 71331015, 85597218, 95108020, 122281740, 142662030, 171194436, 213993045, 285324060, 427986090, 855972180]

約数ペア:

[(1, 855972180), (2, 427986090), (3, 285324060), (4, 213993045), (5, 171194436), (6, 142662030), (7, 122281740), (9, 95108020), (10, 85597218), (12, 71331015), (14, 61140870), (15, 57064812), (18, 47554010), (20, 42798609), (21, 40760580), (28, 30570435), (30, 28532406), (35, 24456348), (36, 23777005), (42, 20380290), (45, 19021604), (49, 17468820), (60, 14266203), (63, 13586860), (70, 12228174), (84, 10190145), (90, 9510802), (98, 8734410), (105, 8152116), (107, 7999740), (126, 6793430), (140, 6114087), (147, 5822940), (180, 4755401), (196, 4367205), (210, 4076058), (214, 3999870), (245, 3493764), (252, 3396715), (294, 2911470), (315, 2717372), (321, 2666580), (420, 2038029), (428, 1999935), (441, 1940980), (490, 1746882), (535, 1599948), (588, 1455735), (630, 1358686), (642, 1333290), (735, 1164588), (749, 1142820), (882, 970490), (907, 943740), (963, 888860), (980, 873441), (1070, 799974), (1260, 679343), (1284, 666645), (1470, 582294), (1498, 571410), (1605, 533316), (1764, 485245), (1814, 471870), (1926, 444430), (2140, 399987), (2205, 388196), (2247, 380940), (2721, 314580), (2940, 291147), (2996, 285705), (3210, 266658), (3628, 235935), (3745, 228564), (3852, 222215), (4410, 194098), (4494, 190470), (4535, 188748), (4815, 177772), (5243, 163260), (5442, 157290), (6349, 134820), (6420, 133329), (6741, 126980), (7490, 114282), (8163, 104860), (8820, 97049), (8988, 95235), (9070, 94374), (9630, 88886), (10486, 81630), (10884, 78645), (11235, 76188), (12698, 67410), (13482, 63490), (13605, 62916), (14980, 57141), (15729, 54420), (16326, 52430), (18140, 47187), (19047, 44940), (19260, 44443), (20972, 40815), (22470, 38094), (25396, 33705), (26215, 32652), (26964, 31745), (27210, 31458)]