81178080

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1291}}^1$

素因数の和:1440

約数の個数: 96

約数和(自身を含む): 257862528

約数和(自身を除く): 176684448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 131, 160, 240, 262, 393, 480, 524, 655, 786, 1048, 1291, 1310, 1572, 1965, 2096, 2582, 2620, 3144, 3873, 3930, 4192, 5164, 5240, 6288, 6455, 7746, 7860, 10328, 10480, 12576, 12910, 15492, 15720, 19365, 20656, 20960, 25820, 30984, 31440, 38730, 41312, 51640, 61968, 62880, 77460, 103280, 123936, 154920, 169121, 206560, 309840, 338242, 507363, 619680, 676484, 845605, 1014726, 1352968, 1691210, 2029452, 2536815, 2705936, 3382420, 4058904, 5073630, 5411872, 6764840, 8117808, 10147260, 13529680, 16235616, 20294520, 27059360, 40589040, 81178080]

約数ペア:

[(1, 81178080), (2, 40589040), (3, 27059360), (4, 20294520), (5, 16235616), (6, 13529680), (8, 10147260), (10, 8117808), (12, 6764840), (15, 5411872), (16, 5073630), (20, 4058904), (24, 3382420), (30, 2705936), (32, 2536815), (40, 2029452), (48, 1691210), (60, 1352968), (80, 1014726), (96, 845605), (120, 676484), (131, 619680), (160, 507363), (240, 338242), (262, 309840), (393, 206560), (480, 169121), (524, 154920), (655, 123936), (786, 103280), (1048, 77460), (1291, 62880), (1310, 61968), (1572, 51640), (1965, 41312), (2096, 38730), (2582, 31440), (2620, 30984), (3144, 25820), (3873, 20960), (3930, 20656), (4192, 19365), (5164, 15720), (5240, 15492), (6288, 12910), (6455, 12576), (7746, 10480), (7860, 10328)]