355112320

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:420

約数の個数: 128

約数和(自身を含む): 909480960

約数和(自身を除く): 554368640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 127, 128, 136, 160, 170, 254, 257, 272, 320, 340, 508, 514, 544, 635, 640, 680, 1016, 1028, 1088, 1270, 1285, 1360, 2032, 2056, 2159, 2176, 2540, 2570, 2720, 4064, 4112, 4318, 4369, 5080, 5140, 5440, 8128, 8224, 8636, 8738, 10160, 10280, 10795, 10880, 16256, 16448, 17272, 17476, 20320, 20560, 21590, 21845, 32639, 32896, 34544, 34952, 40640, 41120, 43180, 43690, 65278, 69088, 69904, 81280, 82240, 86360, 87380, 130556, 138176, 139808, 163195, 164480, 172720, 174760, 261112, 276352, 279616, 326390, 345440, 349520, 522224, 554863, 559232, 652780, 690880, 699040, 1044448, 1109726, 1305560, 1381760, 1398080, 2088896, 2219452, 2611120, 2774315, 2796160, 4177792, 4438904, 5222240, 5548630, 8877808, 10444480, 11097260, 17755616, 20888960, 22194520, 35511232, 44389040, 71022464, 88778080, 177556160, 355112320]

約数ペア:

[(1, 355112320), (2, 177556160), (4, 88778080), (5, 71022464), (8, 44389040), (10, 35511232), (16, 22194520), (17, 20888960), (20, 17755616), (32, 11097260), (34, 10444480), (40, 8877808), (64, 5548630), (68, 5222240), (80, 4438904), (85, 4177792), (127, 2796160), (128, 2774315), (136, 2611120), (160, 2219452), (170, 2088896), (254, 1398080), (257, 1381760), (272, 1305560), (320, 1109726), (340, 1044448), (508, 699040), (514, 690880), (544, 652780), (635, 559232), (640, 554863), (680, 522224), (1016, 349520), (1028, 345440), (1088, 326390), (1270, 279616), (1285, 276352), (1360, 261112), (2032, 174760), (2056, 172720), (2159, 164480), (2176, 163195), (2540, 139808), (2570, 138176), (2720, 130556), (4064, 87380), (4112, 86360), (4318, 82240), (4369, 81280), (5080, 69904), (5140, 69088), (5440, 65278), (8128, 43690), (8224, 43180), (8636, 41120), (8738, 40640), (10160, 34952), (10280, 34544), (10795, 32896), (10880, 32639), (16256, 21845), (16448, 21590), (17272, 20560), (17476, 20320)]