220687740

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:543

約数の個数: 288

約数和(自身を含む): 856128000

約数和(自身を除く): 635440260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 81, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 162, 180, 182, 189, 195, 210, 234, 243, 252, 260, 270, 273, 315, 324, 351, 364, 378, 390, 405, 420, 455, 468, 486, 499, 540, 546, 567, 585, 630, 702, 756, 780, 810, 819, 910, 945, 972, 998, 1053, 1092, 1134, 1170, 1215, 1260, 1365, 1404, 1497, 1620, 1638, 1701, 1755, 1820, 1890, 1996, 2106, 2268, 2340, 2430, 2457, 2495, 2730, 2835, 2994, 3159, 3276, 3402, 3493, 3510, 3780, 4095, 4212, 4491, 4860, 4914, 4990, 5265, 5460, 5670, 5988, 6318, 6487, 6804, 6986, 7020, 7371, 7485, 8190, 8505, 8982, 9828, 9980, 10479, 10530, 11340, 12285, 12636, 12974, 13473, 13972, 14742, 14970, 15795, 16380, 17010, 17465, 17964, 19461, 20958, 21060, 22113, 22455, 24570, 25948, 26946, 29484, 29940, 31437, 31590, 32435, 34020, 34930, 36855, 38922, 40419, 41916, 44226, 44910, 45409, 49140, 52395, 53892, 58383, 62874, 63180, 64870, 67365, 69860, 73710, 77844, 80838, 88452, 89820, 90818, 94311, 97305, 104790, 110565, 116766, 121257, 125748, 129740, 134730, 136227, 147420, 157185, 161676, 175149, 181636, 188622, 194610, 202095, 209580, 221130, 227045, 233532, 242514, 269460, 272454, 282933, 291915, 314370, 350298, 377244, 389220, 404190, 408681, 442260, 454090, 471555, 485028, 525447, 544908, 565866, 583830, 606285, 628740, 681135, 700596, 808380, 817362, 848799, 875745, 908180, 943110, 1050894, 1131732, 1167660, 1212570, 1226043, 1362270, 1414665, 1576341, 1634724, 1697598, 1751490, 1886220, 2043405, 2101788, 2425140, 2452086, 2627235, 2724540, 2829330, 3152682, 3395196, 3502980, 3678129, 4086810, 4243995, 4904172, 5254470, 5658660, 6130215, 6305364, 7356258, 7881705, 8173620, 8487990, 10508940, 11034387, 12260430, 14712516, 15763410, 16975980, 18390645, 22068774, 24520860, 31526820, 36781290, 44137548, 55171935, 73562580, 110343870, 220687740]

約数ペア:

[(1, 220687740), (2, 110343870), (3, 73562580), (4, 55171935), (5, 44137548), (6, 36781290), (7, 31526820), (9, 24520860), (10, 22068774), (12, 18390645), (13, 16975980), (14, 15763410), (15, 14712516), (18, 12260430), (20, 11034387), (21, 10508940), (26, 8487990), (27, 8173620), (28, 7881705), (30, 7356258), (35, 6305364), (36, 6130215), (39, 5658660), (42, 5254470), (45, 4904172), (52, 4243995), (54, 4086810), (60, 3678129), (63, 3502980), (65, 3395196), (70, 3152682), (78, 2829330), (81, 2724540), (84, 2627235), (90, 2452086), (91, 2425140), (105, 2101788), (108, 2043405), (117, 1886220), (126, 1751490), (130, 1697598), (135, 1634724), (140, 1576341), (156, 1414665), (162, 1362270), (180, 1226043), (182, 1212570), (189, 1167660), (195, 1131732), (210, 1050894), (234, 943110), (243, 908180), (252, 875745), (260, 848799), (270, 817362), (273, 808380), (315, 700596), (324, 681135), (351, 628740), (364, 606285), (378, 583830), (390, 565866), (405, 544908), (420, 525447), (455, 485028), (468, 471555), (486, 454090), (499, 442260), (540, 408681), (546, 404190), (567, 389220), (585, 377244), (630, 350298), (702, 314370), (756, 291915), (780, 282933), (810, 272454), (819, 269460), (910, 242514), (945, 233532), (972, 227045), (998, 221130), (1053, 209580), (1092, 202095), (1134, 194610), (1170, 188622), (1215, 181636), (1260, 175149), (1365, 161676), (1404, 157185), (1497, 147420), (1620, 136227), (1638, 134730), (1701, 129740), (1755, 125748), (1820, 121257), (1890, 116766), (1996, 110565), (2106, 104790), (2268, 97305), (2340, 94311), (2430, 90818), (2457, 89820), (2495, 88452), (2730, 80838), (2835, 77844), (2994, 73710), (3159, 69860), (3276, 67365), (3402, 64870), (3493, 63180), (3510, 62874), (3780, 58383), (4095, 53892), (4212, 52395), (4491, 49140), (4860, 45409), (4914, 44910), (4990, 44226), (5265, 41916), (5460, 40419), (5670, 38922), (5988, 36855), (6318, 34930), (6487, 34020), (6804, 32435), (6986, 31590), (7020, 31437), (7371, 29940), (7485, 29484), (8190, 26946), (8505, 25948), (8982, 24570), (9828, 22455), (9980, 22113), (10479, 21060), (10530, 20958), (11340, 19461), (12285, 17964), (12636, 17465), (12974, 17010), (13473, 16380), (13972, 15795), (14742, 14970)]