51744420

素因数分解:

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

素因数の和:63

約数の個数: 288

約数和(自身を含む): 201680640

約数和(自身を除く): 149936220

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, 169, 180, 182, 189, 195, 210, 234, 243, 252, 260, 270, 273, 315, 324, 338, 351, 364, 378, 390, 405, 420, 455, 468, 486, 507, 540, 546, 567, 585, 630, 676, 702, 729, 756, 780, 810, 819, 845, 910, 945, 972, 1014, 1053, 1092, 1134, 1170, 1183, 1215, 1260, 1365, 1404, 1458, 1521, 1620, 1638, 1690, 1701, 1755, 1820, 1890, 2028, 2106, 2187, 2268, 2340, 2366, 2430, 2457, 2535, 2730, 2835, 2916, 3042, 3159, 3276, 3380, 3402, 3510, 3549, 3645, 3780, 4095, 4212, 4374, 4563, 4732, 4860, 4914, 5070, 5103, 5265, 5460, 5670, 5915, 6084, 6318, 6804, 7020, 7098, 7290, 7371, 7605, 8190, 8505, 8748, 9126, 9477, 9828, 10140, 10206, 10530, 10647, 10935, 11340, 11830, 12285, 12636, 13689, 14196, 14580, 14742, 15210, 15309, 15795, 16380, 17010, 17745, 18252, 18954, 20412, 21060, 21294, 21870, 22113, 22815, 23660, 24570, 25515, 27378, 28431, 29484, 30420, 30618, 31590, 31941, 34020, 35490, 36855, 37908, 41067, 42588, 43740, 44226, 45630, 47385, 49140, 51030, 53235, 54756, 56862, 61236, 63180, 63882, 66339, 68445, 70980, 73710, 76545, 82134, 88452, 91260, 94770, 95823, 102060, 106470, 110565, 113724, 123201, 127764, 132678, 136890, 142155, 147420, 153090, 159705, 164268, 189540, 191646, 199017, 205335, 212940, 221130, 246402, 265356, 273780, 284310, 287469, 306180, 319410, 331695, 369603, 383292, 398034, 410670, 442260, 479115, 492804, 568620, 574938, 616005, 638820, 663390, 739206, 796068, 821340, 862407, 958230, 995085, 1149876, 1232010, 1326780, 1437345, 1478412, 1724814, 1848015, 1916460, 1990170, 2464020, 2587221, 2874690, 3449628, 3696030, 3980340, 4312035, 5174442, 5749380, 7392060, 8624070, 10348884, 12936105, 17248140, 25872210, 51744420]

約数ペア:

[(1, 51744420), (2, 25872210), (3, 17248140), (4, 12936105), (5, 10348884), (6, 8624070), (7, 7392060), (9, 5749380), (10, 5174442), (12, 4312035), (13, 3980340), (14, 3696030), (15, 3449628), (18, 2874690), (20, 2587221), (21, 2464020), (26, 1990170), (27, 1916460), (28, 1848015), (30, 1724814), (35, 1478412), (36, 1437345), (39, 1326780), (42, 1232010), (45, 1149876), (52, 995085), (54, 958230), (60, 862407), (63, 821340), (65, 796068), (70, 739206), (78, 663390), (81, 638820), (84, 616005), (90, 574938), (91, 568620), (105, 492804), (108, 479115), (117, 442260), (126, 410670), (130, 398034), (135, 383292), (140, 369603), (156, 331695), (162, 319410), (169, 306180), (180, 287469), (182, 284310), (189, 273780), (195, 265356), (210, 246402), (234, 221130), (243, 212940), (252, 205335), (260, 199017), (270, 191646), (273, 189540), (315, 164268), (324, 159705), (338, 153090), (351, 147420), (364, 142155), (378, 136890), (390, 132678), (405, 127764), (420, 123201), (455, 113724), (468, 110565), (486, 106470), (507, 102060), (540, 95823), (546, 94770), (567, 91260), (585, 88452), (630, 82134), (676, 76545), (702, 73710), (729, 70980), (756, 68445), (780, 66339), (810, 63882), (819, 63180), (845, 61236), (910, 56862), (945, 54756), (972, 53235), (1014, 51030), (1053, 49140), (1092, 47385), (1134, 45630), (1170, 44226), (1183, 43740), (1215, 42588), (1260, 41067), (1365, 37908), (1404, 36855), (1458, 35490), (1521, 34020), (1620, 31941), (1638, 31590), (1690, 30618), (1701, 30420), (1755, 29484), (1820, 28431), (1890, 27378), (2028, 25515), (2106, 24570), (2187, 23660), (2268, 22815), (2340, 22113), (2366, 21870), (2430, 21294), (2457, 21060), (2535, 20412), (2730, 18954), (2835, 18252), (2916, 17745), (3042, 17010), (3159, 16380), (3276, 15795), (3380, 15309), (3402, 15210), (3510, 14742), (3549, 14580), (3645, 14196), (3780, 13689), (4095, 12636), (4212, 12285), (4374, 11830), (4563, 11340), (4732, 10935), (4860, 10647), (4914, 10530), (5070, 10206), (5103, 10140), (5265, 9828), (5460, 9477), (5670, 9126), (5915, 8748), (6084, 8505), (6318, 8190), (6804, 7605), (7020, 7371), (7098, 7290)]