289362080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:331

約数の個数: 192

約数和(自身を含む): 836075520

約数和(自身を除く): 546713440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 47, 56, 70, 80, 92, 94, 112, 115, 140, 160, 161, 184, 188, 224, 230, 235, 239, 280, 322, 329, 368, 376, 460, 470, 478, 560, 644, 658, 736, 752, 805, 920, 940, 956, 1081, 1120, 1195, 1288, 1316, 1504, 1610, 1645, 1673, 1840, 1880, 1912, 2162, 2390, 2576, 2632, 3220, 3290, 3346, 3680, 3760, 3824, 4324, 4780, 5152, 5264, 5405, 5497, 6440, 6580, 6692, 7520, 7567, 7648, 8365, 8648, 9560, 10528, 10810, 10994, 11233, 12880, 13160, 13384, 15134, 16730, 17296, 19120, 21620, 21988, 22466, 25760, 26320, 26768, 27485, 30268, 33460, 34592, 37835, 38240, 38479, 43240, 43976, 44932, 52640, 53536, 54970, 56165, 60536, 66920, 75670, 76958, 78631, 86480, 87952, 89864, 109940, 112330, 121072, 133840, 151340, 153916, 157262, 172960, 175904, 179728, 192395, 219880, 224660, 242144, 258359, 267680, 302680, 307832, 314524, 359456, 384790, 393155, 439760, 449320, 516718, 605360, 615664, 629048, 769580, 786310, 879520, 898640, 1033436, 1210720, 1231328, 1258096, 1291795, 1539160, 1572620, 1797280, 1808513, 2066872, 2516192, 2583590, 3078320, 3145240, 3617026, 4133744, 5167180, 6156640, 6290480, 7234052, 8267488, 9042565, 10334360, 12580960, 14468104, 18085130, 20668720, 28936208, 36170260, 41337440, 57872416, 72340520, 144681040, 289362080]

約数ペア:

[(1, 289362080), (2, 144681040), (4, 72340520), (5, 57872416), (7, 41337440), (8, 36170260), (10, 28936208), (14, 20668720), (16, 18085130), (20, 14468104), (23, 12580960), (28, 10334360), (32, 9042565), (35, 8267488), (40, 7234052), (46, 6290480), (47, 6156640), (56, 5167180), (70, 4133744), (80, 3617026), (92, 3145240), (94, 3078320), (112, 2583590), (115, 2516192), (140, 2066872), (160, 1808513), (161, 1797280), (184, 1572620), (188, 1539160), (224, 1291795), (230, 1258096), (235, 1231328), (239, 1210720), (280, 1033436), (322, 898640), (329, 879520), (368, 786310), (376, 769580), (460, 629048), (470, 615664), (478, 605360), (560, 516718), (644, 449320), (658, 439760), (736, 393155), (752, 384790), (805, 359456), (920, 314524), (940, 307832), (956, 302680), (1081, 267680), (1120, 258359), (1195, 242144), (1288, 224660), (1316, 219880), (1504, 192395), (1610, 179728), (1645, 175904), (1673, 172960), (1840, 157262), (1880, 153916), (1912, 151340), (2162, 133840), (2390, 121072), (2576, 112330), (2632, 109940), (3220, 89864), (3290, 87952), (3346, 86480), (3680, 78631), (3760, 76958), (3824, 75670), (4324, 66920), (4780, 60536), (5152, 56165), (5264, 54970), (5405, 53536), (5497, 52640), (6440, 44932), (6580, 43976), (6692, 43240), (7520, 38479), (7567, 38240), (7648, 37835), (8365, 34592), (8648, 33460), (9560, 30268), (10528, 27485), (10810, 26768), (10994, 26320), (11233, 25760), (12880, 22466), (13160, 21988), (13384, 21620), (15134, 19120), (16730, 17296)]