819265280

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:362

約数の個数: 144

約数和(自身を含む): 2049020064

約数和(自身を除く): 1229754784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 67, 80, 82, 128, 134, 160, 164, 205, 233, 256, 268, 320, 328, 335, 410, 466, 536, 640, 656, 670, 820, 932, 1072, 1165, 1280, 1312, 1340, 1640, 1864, 2144, 2330, 2624, 2680, 2747, 3280, 3728, 4288, 4660, 5248, 5360, 5494, 6560, 7456, 8576, 9320, 9553, 10496, 10720, 10988, 13120, 13735, 14912, 15611, 17152, 18640, 19106, 21440, 21976, 26240, 27470, 29824, 31222, 37280, 38212, 42880, 43952, 47765, 52480, 54940, 59648, 62444, 74560, 76424, 78055, 85760, 87904, 95530, 109880, 124888, 149120, 152848, 156110, 175808, 191060, 219760, 249776, 298240, 305696, 312220, 351616, 382120, 439520, 499552, 611392, 624440, 640051, 703232, 764240, 879040, 999104, 1222784, 1248880, 1280102, 1528480, 1758080, 1998208, 2445568, 2497760, 2560204, 3056960, 3200255, 3516160, 3996416, 4995520, 5120408, 6113920, 6400510, 9991040, 10240816, 12227840, 12801020, 19982080, 20481632, 25602040, 40963264, 51204080, 81926528, 102408160, 163853056, 204816320, 409632640, 819265280]

約数ペア:

[(1, 819265280), (2, 409632640), (4, 204816320), (5, 163853056), (8, 102408160), (10, 81926528), (16, 51204080), (20, 40963264), (32, 25602040), (40, 20481632), (41, 19982080), (64, 12801020), (67, 12227840), (80, 10240816), (82, 9991040), (128, 6400510), (134, 6113920), (160, 5120408), (164, 4995520), (205, 3996416), (233, 3516160), (256, 3200255), (268, 3056960), (320, 2560204), (328, 2497760), (335, 2445568), (410, 1998208), (466, 1758080), (536, 1528480), (640, 1280102), (656, 1248880), (670, 1222784), (820, 999104), (932, 879040), (1072, 764240), (1165, 703232), (1280, 640051), (1312, 624440), (1340, 611392), (1640, 499552), (1864, 439520), (2144, 382120), (2330, 351616), (2624, 312220), (2680, 305696), (2747, 298240), (3280, 249776), (3728, 219760), (4288, 191060), (4660, 175808), (5248, 156110), (5360, 152848), (5494, 149120), (6560, 124888), (7456, 109880), (8576, 95530), (9320, 87904), (9553, 85760), (10496, 78055), (10720, 76424), (10988, 74560), (13120, 62444), (13735, 59648), (14912, 54940), (15611, 52480), (17152, 47765), (18640, 43952), (19106, 42880), (21440, 38212), (21976, 37280), (26240, 31222), (27470, 29824)]