631654920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{971}}^1$

素因数の和:1140

約数の個数: 192

約数和(自身を含む): 2228990400

約数和(自身を除く): 1597335480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 139, 156, 180, 195, 234, 260, 278, 312, 360, 390, 417, 468, 520, 556, 585, 695, 780, 834, 936, 971, 1112, 1170, 1251, 1390, 1560, 1668, 1807, 1942, 2085, 2340, 2502, 2780, 2913, 3336, 3614, 3884, 4170, 4680, 4855, 5004, 5421, 5560, 5826, 6255, 7228, 7768, 8340, 8739, 9035, 9710, 10008, 10842, 11652, 12510, 12623, 14456, 14565, 16263, 16680, 17478, 18070, 19420, 21684, 23304, 25020, 25246, 27105, 29130, 32526, 34956, 36140, 37869, 38840, 43368, 43695, 50040, 50492, 54210, 58260, 63115, 65052, 69912, 72280, 75738, 81315, 87390, 100984, 108420, 113607, 116520, 126230, 130104, 134969, 151476, 162630, 174780, 189345, 216840, 227214, 252460, 269938, 302952, 325260, 349560, 378690, 404907, 454428, 504920, 539876, 568035, 650520, 674845, 757380, 809814, 908856, 1079752, 1136070, 1214721, 1349690, 1514760, 1619628, 1754597, 2024535, 2272140, 2429442, 2699380, 3239256, 3509194, 4049070, 4544280, 4858884, 5263791, 5398760, 6073605, 7018388, 8098140, 8772985, 9717768, 10527582, 12147210, 14036776, 15791373, 16196280, 17545970, 21055164, 24294420, 26318955, 31582746, 35091940, 42110328, 48588840, 52637910, 63165492, 70183880, 78956865, 105275820, 126330984, 157913730, 210551640, 315827460, 631654920]

約数ペア:

[(1, 631654920), (2, 315827460), (3, 210551640), (4, 157913730), (5, 126330984), (6, 105275820), (8, 78956865), (9, 70183880), (10, 63165492), (12, 52637910), (13, 48588840), (15, 42110328), (18, 35091940), (20, 31582746), (24, 26318955), (26, 24294420), (30, 21055164), (36, 17545970), (39, 16196280), (40, 15791373), (45, 14036776), (52, 12147210), (60, 10527582), (65, 9717768), (72, 8772985), (78, 8098140), (90, 7018388), (104, 6073605), (117, 5398760), (120, 5263791), (130, 4858884), (139, 4544280), (156, 4049070), (180, 3509194), (195, 3239256), (234, 2699380), (260, 2429442), (278, 2272140), (312, 2024535), (360, 1754597), (390, 1619628), (417, 1514760), (468, 1349690), (520, 1214721), (556, 1136070), (585, 1079752), (695, 908856), (780, 809814), (834, 757380), (936, 674845), (971, 650520), (1112, 568035), (1170, 539876), (1251, 504920), (1390, 454428), (1560, 404907), (1668, 378690), (1807, 349560), (1942, 325260), (2085, 302952), (2340, 269938), (2502, 252460), (2780, 227214), (2913, 216840), (3336, 189345), (3614, 174780), (3884, 162630), (4170, 151476), (4680, 134969), (4855, 130104), (5004, 126230), (5421, 116520), (5560, 113607), (5826, 108420), (6255, 100984), (7228, 87390), (7768, 81315), (8340, 75738), (8739, 72280), (9035, 69912), (9710, 65052), (10008, 63115), (10842, 58260), (11652, 54210), (12510, 50492), (12623, 50040), (14456, 43695), (14565, 43368), (16263, 38840), (16680, 37869), (17478, 36140), (18070, 34956), (19420, 32526), (21684, 29130), (23304, 27105), (25020, 25246)]