631567280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{1153}}^1$

素因数の和:1374

約数の個数: 80

約数和(自身を含む): 1514528064

約数和(自身を除く): 882960784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 167, 205, 328, 334, 410, 656, 668, 820, 835, 1153, 1336, 1640, 1670, 2306, 2672, 3280, 3340, 4612, 5765, 6680, 6847, 9224, 11530, 13360, 13694, 18448, 23060, 27388, 34235, 46120, 47273, 54776, 68470, 92240, 94546, 109552, 136940, 189092, 192551, 236365, 273880, 378184, 385102, 472730, 547760, 756368, 770204, 945460, 962755, 1540408, 1890920, 1925510, 3080816, 3781840, 3851020, 7702040, 7894591, 15404080, 15789182, 31578364, 39472955, 63156728, 78945910, 126313456, 157891820, 315783640, 631567280]

約数ペア:

[(1, 631567280), (2, 315783640), (4, 157891820), (5, 126313456), (8, 78945910), (10, 63156728), (16, 39472955), (20, 31578364), (40, 15789182), (41, 15404080), (80, 7894591), (82, 7702040), (164, 3851020), (167, 3781840), (205, 3080816), (328, 1925510), (334, 1890920), (410, 1540408), (656, 962755), (668, 945460), (820, 770204), (835, 756368), (1153, 547760), (1336, 472730), (1640, 385102), (1670, 378184), (2306, 273880), (2672, 236365), (3280, 192551), (3340, 189092), (4612, 136940), (5765, 109552), (6680, 94546), (6847, 92240), (9224, 68470), (11530, 54776), (13360, 47273), (13694, 46120), (18448, 34235), (23060, 27388)]