68799640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{461}}^1$

素因数の和:533

約数の個数: 128

約数和(自身を含む): 195592320

約数和(自身を除く): 126792680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 41, 52, 56, 65, 70, 82, 91, 104, 130, 140, 164, 182, 205, 260, 280, 287, 328, 364, 410, 455, 461, 520, 533, 574, 728, 820, 910, 922, 1066, 1148, 1435, 1640, 1820, 1844, 2132, 2296, 2305, 2665, 2870, 3227, 3640, 3688, 3731, 4264, 4610, 5330, 5740, 5993, 6454, 7462, 9220, 10660, 11480, 11986, 12908, 14924, 16135, 18440, 18655, 18901, 21320, 23972, 25816, 29848, 29965, 32270, 37310, 37802, 41951, 47944, 59930, 64540, 74620, 75604, 83902, 94505, 119860, 129080, 132307, 149240, 151208, 167804, 189010, 209755, 239720, 245713, 264614, 335608, 378020, 419510, 491426, 529228, 661535, 756040, 839020, 982852, 1058456, 1228565, 1323070, 1678040, 1719991, 1965704, 2457130, 2646140, 3439982, 4914260, 5292280, 6879964, 8599955, 9828520, 13759928, 17199910, 34399820, 68799640]

約数ペア:

[(1, 68799640), (2, 34399820), (4, 17199910), (5, 13759928), (7, 9828520), (8, 8599955), (10, 6879964), (13, 5292280), (14, 4914260), (20, 3439982), (26, 2646140), (28, 2457130), (35, 1965704), (40, 1719991), (41, 1678040), (52, 1323070), (56, 1228565), (65, 1058456), (70, 982852), (82, 839020), (91, 756040), (104, 661535), (130, 529228), (140, 491426), (164, 419510), (182, 378020), (205, 335608), (260, 264614), (280, 245713), (287, 239720), (328, 209755), (364, 189010), (410, 167804), (455, 151208), (461, 149240), (520, 132307), (533, 129080), (574, 119860), (728, 94505), (820, 83902), (910, 75604), (922, 74620), (1066, 64540), (1148, 59930), (1435, 47944), (1640, 41951), (1820, 37802), (1844, 37310), (2132, 32270), (2296, 29965), (2305, 29848), (2665, 25816), (2870, 23972), (3227, 21320), (3640, 18901), (3688, 18655), (3731, 18440), (4264, 16135), (4610, 14924), (5330, 12908), (5740, 11986), (5993, 11480), (6454, 10660), (7462, 9220)]