81350880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13037}}^1$

素因数の和:13068

約数の個数: 96

約数和(自身を含む): 275988384

約数和(自身を除く): 194637504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 6240, 13037, 26074, 39111, 52148, 65185, 78222, 104296, 130370, 156444, 169481, 195555, 208592, 260740, 312888, 338962, 391110, 417184, 508443, 521480, 625776, 677924, 782220, 847405, 1016886, 1042960, 1251552, 1355848, 1564440, 1694810, 2033772, 2085920, 2542215, 2711696, 3128880, 3389620, 4067544, 5084430, 5423392, 6257760, 6779240, 8135088, 10168860, 13558480, 16270176, 20337720, 27116960, 40675440, 81350880]

約数ペア:

[(1, 81350880), (2, 40675440), (3, 27116960), (4, 20337720), (5, 16270176), (6, 13558480), (8, 10168860), (10, 8135088), (12, 6779240), (13, 6257760), (15, 5423392), (16, 5084430), (20, 4067544), (24, 3389620), (26, 3128880), (30, 2711696), (32, 2542215), (39, 2085920), (40, 2033772), (48, 1694810), (52, 1564440), (60, 1355848), (65, 1251552), (78, 1042960), (80, 1016886), (96, 847405), (104, 782220), (120, 677924), (130, 625776), (156, 521480), (160, 508443), (195, 417184), (208, 391110), (240, 338962), (260, 312888), (312, 260740), (390, 208592), (416, 195555), (480, 169481), (520, 156444), (624, 130370), (780, 104296), (1040, 78222), (1248, 65185), (1560, 52148), (2080, 39111), (3120, 26074), (6240, 13037)]