380348775

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:937

約数の個数: 72

約数和(自身を含む): 715534560

約数和(自身を除く): 335185785

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 71, 75, 87, 145, 213, 225, 261, 355, 435, 639, 725, 821, 1065, 1305, 1775, 2059, 2175, 2463, 3195, 4105, 5325, 6177, 6525, 7389, 10295, 12315, 15975, 18531, 20525, 23809, 30885, 36945, 51475, 58291, 61575, 71427, 92655, 119045, 154425, 174873, 184725, 214281, 291455, 357135, 463275, 524619, 595225, 874365, 1071405, 1457275, 1690439, 1785675, 2623095, 4371825, 5071317, 5357025, 8452195, 13115475, 15213951, 25356585, 42260975, 76069755, 126782925, 380348775]

約数ペア:

[(1, 380348775), (3, 126782925), (5, 76069755), (9, 42260975), (15, 25356585), (25, 15213951), (29, 13115475), (45, 8452195), (71, 5357025), (75, 5071317), (87, 4371825), (145, 2623095), (213, 1785675), (225, 1690439), (261, 1457275), (355, 1071405), (435, 874365), (639, 595225), (725, 524619), (821, 463275), (1065, 357135), (1305, 291455), (1775, 214281), (2059, 184725), (2175, 174873), (2463, 154425), (3195, 119045), (4105, 92655), (5325, 71427), (6177, 61575), (6525, 58291), (7389, 51475), (10295, 36945), (12315, 30885), (15975, 23809), (18531, 20525)]