178460940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{601}}^1$

素因数の和:728

約数の個数: 144

約数和(自身を含む): 588004704

約数和(自身を除く): 409543764

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 101, 105, 140, 147, 196, 202, 210, 245, 294, 303, 404, 420, 490, 505, 588, 601, 606, 707, 735, 980, 1010, 1202, 1212, 1414, 1470, 1515, 1803, 2020, 2121, 2404, 2828, 2940, 3005, 3030, 3535, 3606, 4207, 4242, 4949, 6010, 6060, 7070, 7212, 8414, 8484, 9015, 9898, 10605, 12020, 12621, 14140, 14847, 16828, 18030, 19796, 21035, 21210, 24745, 25242, 29449, 29694, 36060, 42070, 42420, 49490, 50484, 58898, 59388, 60701, 63105, 74235, 84140, 88347, 98980, 117796, 121402, 126210, 147245, 148470, 176694, 182103, 242804, 252420, 294490, 296940, 303505, 353388, 364206, 424907, 441735, 588980, 607010, 728412, 849814, 883470, 910515, 1214020, 1274721, 1699628, 1766940, 1821030, 2124535, 2549442, 2974349, 3642060, 4249070, 5098884, 5948698, 6373605, 8498140, 8923047, 11897396, 12747210, 14871745, 17846094, 25494420, 29743490, 35692188, 44615235, 59486980, 89230470, 178460940]

約数ペア:

[(1, 178460940), (2, 89230470), (3, 59486980), (4, 44615235), (5, 35692188), (6, 29743490), (7, 25494420), (10, 17846094), (12, 14871745), (14, 12747210), (15, 11897396), (20, 8923047), (21, 8498140), (28, 6373605), (30, 5948698), (35, 5098884), (42, 4249070), (49, 3642060), (60, 2974349), (70, 2549442), (84, 2124535), (98, 1821030), (101, 1766940), (105, 1699628), (140, 1274721), (147, 1214020), (196, 910515), (202, 883470), (210, 849814), (245, 728412), (294, 607010), (303, 588980), (404, 441735), (420, 424907), (490, 364206), (505, 353388), (588, 303505), (601, 296940), (606, 294490), (707, 252420), (735, 242804), (980, 182103), (1010, 176694), (1202, 148470), (1212, 147245), (1414, 126210), (1470, 121402), (1515, 117796), (1803, 98980), (2020, 88347), (2121, 84140), (2404, 74235), (2828, 63105), (2940, 60701), (3005, 59388), (3030, 58898), (3535, 50484), (3606, 49490), (4207, 42420), (4242, 42070), (4949, 36060), (6010, 29694), (6060, 29449), (7070, 25242), (7212, 24745), (8414, 21210), (8484, 21035), (9015, 19796), (9898, 18030), (10605, 16828), (12020, 14847), (12621, 14140)]