81817440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7411}}^1$

素因数の和:7452

約数の個数: 96

約数和(自身を含む): 268966656

約数和(自身を除く): 187149216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 160, 184, 230, 240, 276, 345, 368, 460, 480, 552, 690, 736, 920, 1104, 1380, 1840, 2208, 2760, 3680, 5520, 7411, 11040, 14822, 22233, 29644, 37055, 44466, 59288, 74110, 88932, 111165, 118576, 148220, 170453, 177864, 222330, 237152, 296440, 340906, 355728, 444660, 511359, 592880, 681812, 711456, 852265, 889320, 1022718, 1185760, 1363624, 1704530, 1778640, 2045436, 2556795, 2727248, 3409060, 3557280, 4090872, 5113590, 5454496, 6818120, 8181744, 10227180, 13636240, 16363488, 20454360, 27272480, 40908720, 81817440]

約数ペア:

[(1, 81817440), (2, 40908720), (3, 27272480), (4, 20454360), (5, 16363488), (6, 13636240), (8, 10227180), (10, 8181744), (12, 6818120), (15, 5454496), (16, 5113590), (20, 4090872), (23, 3557280), (24, 3409060), (30, 2727248), (32, 2556795), (40, 2045436), (46, 1778640), (48, 1704530), (60, 1363624), (69, 1185760), (80, 1022718), (92, 889320), (96, 852265), (115, 711456), (120, 681812), (138, 592880), (160, 511359), (184, 444660), (230, 355728), (240, 340906), (276, 296440), (345, 237152), (368, 222330), (460, 177864), (480, 170453), (552, 148220), (690, 118576), (736, 111165), (920, 88932), (1104, 74110), (1380, 59288), (1840, 44466), (2208, 37055), (2760, 29644), (3680, 22233), (5520, 14822), (7411, 11040)]