220576720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{739}}^1$

素因数の和:813

約数の個数: 160

約数和(自身を含む): 647458560

約数和(自身を除く): 426881840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 41, 52, 56, 65, 70, 80, 82, 91, 104, 112, 130, 140, 164, 182, 205, 208, 260, 280, 287, 328, 364, 410, 455, 520, 533, 560, 574, 656, 728, 739, 820, 910, 1040, 1066, 1148, 1435, 1456, 1478, 1640, 1820, 2132, 2296, 2665, 2870, 2956, 3280, 3640, 3695, 3731, 4264, 4592, 5173, 5330, 5740, 5912, 7280, 7390, 7462, 8528, 9607, 10346, 10660, 11480, 11824, 14780, 14924, 18655, 19214, 20692, 21320, 22960, 25865, 29560, 29848, 30299, 37310, 38428, 41384, 42640, 48035, 51730, 59120, 59696, 60598, 67249, 74620, 76856, 82768, 96070, 103460, 121196, 134498, 149240, 151495, 153712, 192140, 206920, 212093, 242392, 268996, 298480, 302990, 336245, 384280, 393887, 413840, 424186, 484784, 537992, 605980, 672490, 768560, 787774, 848372, 1060465, 1075984, 1211960, 1344980, 1575548, 1696744, 1969435, 2120930, 2423920, 2689960, 2757209, 3151096, 3393488, 3938870, 4241860, 5379920, 5514418, 6302192, 7877740, 8483720, 11028836, 13786045, 15755480, 16967440, 22057672, 27572090, 31510960, 44115344, 55144180, 110288360, 220576720]

約数ペア:

[(1, 220576720), (2, 110288360), (4, 55144180), (5, 44115344), (7, 31510960), (8, 27572090), (10, 22057672), (13, 16967440), (14, 15755480), (16, 13786045), (20, 11028836), (26, 8483720), (28, 7877740), (35, 6302192), (40, 5514418), (41, 5379920), (52, 4241860), (56, 3938870), (65, 3393488), (70, 3151096), (80, 2757209), (82, 2689960), (91, 2423920), (104, 2120930), (112, 1969435), (130, 1696744), (140, 1575548), (164, 1344980), (182, 1211960), (205, 1075984), (208, 1060465), (260, 848372), (280, 787774), (287, 768560), (328, 672490), (364, 605980), (410, 537992), (455, 484784), (520, 424186), (533, 413840), (560, 393887), (574, 384280), (656, 336245), (728, 302990), (739, 298480), (820, 268996), (910, 242392), (1040, 212093), (1066, 206920), (1148, 192140), (1435, 153712), (1456, 151495), (1478, 149240), (1640, 134498), (1820, 121196), (2132, 103460), (2296, 96070), (2665, 82768), (2870, 76856), (2956, 74620), (3280, 67249), (3640, 60598), (3695, 59696), (3731, 59120), (4264, 51730), (4592, 48035), (5173, 42640), (5330, 41384), (5740, 38428), (5912, 37310), (7280, 30299), (7390, 29848), (7462, 29560), (8528, 25865), (9607, 22960), (10346, 21320), (10660, 20692), (11480, 19214), (11824, 18655), (14780, 14924)]