240472980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:279

約数の個数: 216

約数和(自身を含む): 819421512

約数和(自身を除く): 578948532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 61, 66, 90, 99, 110, 121, 122, 132, 165, 180, 181, 183, 198, 220, 242, 244, 305, 330, 362, 363, 366, 396, 484, 495, 543, 549, 605, 610, 660, 671, 724, 726, 732, 905, 915, 990, 1086, 1089, 1098, 1210, 1220, 1342, 1452, 1629, 1810, 1815, 1830, 1980, 1991, 2013, 2172, 2178, 2196, 2420, 2684, 2715, 2745, 3258, 3355, 3620, 3630, 3660, 3982, 4026, 4356, 5430, 5445, 5490, 5973, 6039, 6516, 6710, 7260, 7381, 7964, 8052, 8145, 9955, 10065, 10860, 10890, 10980, 11041, 11946, 12078, 13420, 14762, 16290, 17919, 19910, 20130, 21780, 21901, 22082, 22143, 23892, 24156, 29524, 29865, 30195, 32580, 33123, 35838, 36905, 39820, 40260, 43802, 44164, 44286, 55205, 59730, 60390, 65703, 66246, 66429, 71676, 73810, 87604, 88572, 89595, 99369, 109505, 110410, 110715, 119460, 120780, 121451, 131406, 132492, 132858, 147620, 165615, 179190, 197109, 198738, 219010, 220820, 221430, 242902, 262812, 265716, 328515, 331230, 332145, 358380, 364353, 394218, 397476, 438020, 442860, 485804, 496845, 607255, 657030, 662460, 664290, 728706, 788436, 985545, 993690, 1093059, 1214510, 1314060, 1328580, 1335961, 1457412, 1821765, 1971090, 1987380, 2186118, 2429020, 2671922, 3643530, 3942180, 4007883, 4372236, 5343844, 5465295, 6679805, 7287060, 8015766, 10930590, 12023649, 13359610, 16031532, 20039415, 21861180, 24047298, 26719220, 40078830, 48094596, 60118245, 80157660, 120236490, 240472980]

約数ペア:

[(1, 240472980), (2, 120236490), (3, 80157660), (4, 60118245), (5, 48094596), (6, 40078830), (9, 26719220), (10, 24047298), (11, 21861180), (12, 20039415), (15, 16031532), (18, 13359610), (20, 12023649), (22, 10930590), (30, 8015766), (33, 7287060), (36, 6679805), (44, 5465295), (45, 5343844), (55, 4372236), (60, 4007883), (61, 3942180), (66, 3643530), (90, 2671922), (99, 2429020), (110, 2186118), (121, 1987380), (122, 1971090), (132, 1821765), (165, 1457412), (180, 1335961), (181, 1328580), (183, 1314060), (198, 1214510), (220, 1093059), (242, 993690), (244, 985545), (305, 788436), (330, 728706), (362, 664290), (363, 662460), (366, 657030), (396, 607255), (484, 496845), (495, 485804), (543, 442860), (549, 438020), (605, 397476), (610, 394218), (660, 364353), (671, 358380), (724, 332145), (726, 331230), (732, 328515), (905, 265716), (915, 262812), (990, 242902), (1086, 221430), (1089, 220820), (1098, 219010), (1210, 198738), (1220, 197109), (1342, 179190), (1452, 165615), (1629, 147620), (1810, 132858), (1815, 132492), (1830, 131406), (1980, 121451), (1991, 120780), (2013, 119460), (2172, 110715), (2178, 110410), (2196, 109505), (2420, 99369), (2684, 89595), (2715, 88572), (2745, 87604), (3258, 73810), (3355, 71676), (3620, 66429), (3630, 66246), (3660, 65703), (3982, 60390), (4026, 59730), (4356, 55205), (5430, 44286), (5445, 44164), (5490, 43802), (5973, 40260), (6039, 39820), (6516, 36905), (6710, 35838), (7260, 33123), (7381, 32580), (7964, 30195), (8052, 29865), (8145, 29524), (9955, 24156), (10065, 23892), (10860, 22143), (10890, 22082), (10980, 21901), (11041, 21780), (11946, 20130), (12078, 19910), (13420, 17919), (14762, 16290)]