405874980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3881}}^1$

素因数の和:3986

約数の個数: 144

約数和(自身を含む): 1424352384

約数和(自身を除く): 1018477404

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 83, 84, 90, 105, 126, 140, 166, 180, 210, 249, 252, 315, 332, 415, 420, 498, 581, 630, 747, 830, 996, 1162, 1245, 1260, 1494, 1660, 1743, 2324, 2490, 2905, 2988, 3486, 3735, 3881, 4980, 5229, 5810, 6972, 7470, 7762, 8715, 10458, 11620, 11643, 14940, 15524, 17430, 19405, 20916, 23286, 26145, 27167, 34860, 34929, 38810, 46572, 52290, 54334, 58215, 69858, 77620, 81501, 104580, 108668, 116430, 135835, 139716, 163002, 174645, 232860, 244503, 271670, 322123, 326004, 349290, 407505, 489006, 543340, 644246, 698580, 815010, 966369, 978012, 1222515, 1288492, 1610615, 1630020, 1932738, 2254861, 2445030, 2899107, 3221230, 3865476, 4509722, 4831845, 4890060, 5798214, 6442460, 6764583, 9019444, 9663690, 11274305, 11596428, 13529166, 14495535, 19327380, 20293749, 22548610, 27058332, 28991070, 33822915, 40587498, 45097220, 57982140, 67645830, 81174996, 101468745, 135291660, 202937490, 405874980]

約数ペア:

[(1, 405874980), (2, 202937490), (3, 135291660), (4, 101468745), (5, 81174996), (6, 67645830), (7, 57982140), (9, 45097220), (10, 40587498), (12, 33822915), (14, 28991070), (15, 27058332), (18, 22548610), (20, 20293749), (21, 19327380), (28, 14495535), (30, 13529166), (35, 11596428), (36, 11274305), (42, 9663690), (45, 9019444), (60, 6764583), (63, 6442460), (70, 5798214), (83, 4890060), (84, 4831845), (90, 4509722), (105, 3865476), (126, 3221230), (140, 2899107), (166, 2445030), (180, 2254861), (210, 1932738), (249, 1630020), (252, 1610615), (315, 1288492), (332, 1222515), (415, 978012), (420, 966369), (498, 815010), (581, 698580), (630, 644246), (747, 543340), (830, 489006), (996, 407505), (1162, 349290), (1245, 326004), (1260, 322123), (1494, 271670), (1660, 244503), (1743, 232860), (2324, 174645), (2490, 163002), (2905, 139716), (2988, 135835), (3486, 116430), (3735, 108668), (3881, 104580), (4980, 81501), (5229, 77620), (5810, 69858), (6972, 58215), (7470, 54334), (7762, 52290), (8715, 46572), (10458, 38810), (11620, 34929), (11643, 34860), (14940, 27167), (15524, 26145), (17430, 23286), (19405, 20916)]