420170080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^3\times {\mathrm{1973}}^1$

素因数の和:2021

約数の個数: 96

約数和(自身を含む): 1092395808

約数和(自身を除く): 672225728

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1331, 1760, 1936, 1973, 2420, 2662, 3872, 3946, 4840, 5324, 6655, 7892, 9680, 9865, 10648, 13310, 15784, 19360, 19730, 21296, 21703, 26620, 31568, 39460, 42592, 43406, 53240, 63136, 78920, 86812, 106480, 108515, 157840, 173624, 212960, 217030, 238733, 315680, 347248, 434060, 477466, 694496, 868120, 954932, 1193665, 1736240, 1909864, 2387330, 2626063, 3472480, 3819728, 4774660, 5252126, 7639456, 9549320, 10504252, 13130315, 19098640, 21008504, 26260630, 38197280, 42017008, 52521260, 84034016, 105042520, 210085040, 420170080]

約数ペア:

[(1, 420170080), (2, 210085040), (4, 105042520), (5, 84034016), (8, 52521260), (10, 42017008), (11, 38197280), (16, 26260630), (20, 21008504), (22, 19098640), (32, 13130315), (40, 10504252), (44, 9549320), (55, 7639456), (80, 5252126), (88, 4774660), (110, 3819728), (121, 3472480), (160, 2626063), (176, 2387330), (220, 1909864), (242, 1736240), (352, 1193665), (440, 954932), (484, 868120), (605, 694496), (880, 477466), (968, 434060), (1210, 347248), (1331, 315680), (1760, 238733), (1936, 217030), (1973, 212960), (2420, 173624), (2662, 157840), (3872, 108515), (3946, 106480), (4840, 86812), (5324, 78920), (6655, 63136), (7892, 53240), (9680, 43406), (9865, 42592), (10648, 39460), (13310, 31568), (15784, 26620), (19360, 21703), (19730, 21296)]