197780940

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:298

約数の個数: 240

約数和(自身を含む): 720099072

約数和(自身を除く): 522318132

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 107, 108, 126, 135, 140, 162, 163, 180, 189, 210, 214, 252, 270, 315, 321, 324, 326, 378, 405, 420, 428, 489, 535, 540, 567, 630, 642, 652, 749, 756, 810, 815, 945, 963, 978, 1070, 1134, 1141, 1260, 1284, 1467, 1498, 1605, 1620, 1630, 1890, 1926, 1956, 2140, 2247, 2268, 2282, 2445, 2835, 2889, 2934, 2996, 3210, 3260, 3423, 3745, 3780, 3852, 4401, 4494, 4564, 4815, 4890, 5670, 5705, 5778, 5868, 6420, 6741, 6846, 7335, 7490, 8667, 8802, 8988, 9630, 9780, 10269, 11235, 11340, 11410, 11556, 13203, 13482, 13692, 14445, 14670, 14980, 17115, 17334, 17441, 17604, 19260, 20223, 20538, 22005, 22470, 22820, 26406, 26964, 28890, 29340, 30807, 33705, 34230, 34668, 34882, 40446, 41076, 43335, 44010, 44940, 51345, 52323, 52812, 57780, 60669, 61614, 66015, 67410, 68460, 69764, 80892, 86670, 87205, 88020, 92421, 101115, 102690, 104646, 121338, 122087, 123228, 132030, 134820, 154035, 156969, 173340, 174410, 184842, 202230, 205380, 209292, 242676, 244174, 261615, 264060, 303345, 308070, 313938, 348820, 366261, 369684, 404460, 462105, 470907, 488348, 523230, 606690, 610435, 616140, 627876, 732522, 784845, 924210, 941814, 1046460, 1098783, 1213380, 1220870, 1412721, 1465044, 1569690, 1831305, 1848420, 1883628, 2197566, 2354535, 2441740, 2825442, 3139380, 3296349, 3662610, 4395132, 4709070, 5493915, 5650884, 6592698, 7063605, 7325220, 9418140, 9889047, 10987830, 13185396, 14127210, 16481745, 19778094, 21975660, 28254420, 32963490, 39556188, 49445235, 65926980, 98890470, 197780940]

約数ペア:

[(1, 197780940), (2, 98890470), (3, 65926980), (4, 49445235), (5, 39556188), (6, 32963490), (7, 28254420), (9, 21975660), (10, 19778094), (12, 16481745), (14, 14127210), (15, 13185396), (18, 10987830), (20, 9889047), (21, 9418140), (27, 7325220), (28, 7063605), (30, 6592698), (35, 5650884), (36, 5493915), (42, 4709070), (45, 4395132), (54, 3662610), (60, 3296349), (63, 3139380), (70, 2825442), (81, 2441740), (84, 2354535), (90, 2197566), (105, 1883628), (107, 1848420), (108, 1831305), (126, 1569690), (135, 1465044), (140, 1412721), (162, 1220870), (163, 1213380), (180, 1098783), (189, 1046460), (210, 941814), (214, 924210), (252, 784845), (270, 732522), (315, 627876), (321, 616140), (324, 610435), (326, 606690), (378, 523230), (405, 488348), (420, 470907), (428, 462105), (489, 404460), (535, 369684), (540, 366261), (567, 348820), (630, 313938), (642, 308070), (652, 303345), (749, 264060), (756, 261615), (810, 244174), (815, 242676), (945, 209292), (963, 205380), (978, 202230), (1070, 184842), (1134, 174410), (1141, 173340), (1260, 156969), (1284, 154035), (1467, 134820), (1498, 132030), (1605, 123228), (1620, 122087), (1630, 121338), (1890, 104646), (1926, 102690), (1956, 101115), (2140, 92421), (2247, 88020), (2268, 87205), (2282, 86670), (2445, 80892), (2835, 69764), (2889, 68460), (2934, 67410), (2996, 66015), (3210, 61614), (3260, 60669), (3423, 57780), (3745, 52812), (3780, 52323), (3852, 51345), (4401, 44940), (4494, 44010), (4564, 43335), (4815, 41076), (4890, 40446), (5670, 34882), (5705, 34668), (5778, 34230), (5868, 33705), (6420, 30807), (6741, 29340), (6846, 28890), (7335, 26964), (7490, 26406), (8667, 22820), (8802, 22470), (8988, 22005), (9630, 20538), (9780, 20223), (10269, 19260), (11235, 17604), (11340, 17441), (11410, 17334), (11556, 17115), (13203, 14980), (13482, 14670), (13692, 14445)]