47220320

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:365

約数の個数: 144

約数和(自身を含む): 137032560

約数和(自身を除く): 89812240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 317, 380, 392, 490, 532, 560, 608, 634, 665, 760, 784, 931, 980, 1064, 1120, 1268, 1330, 1520, 1568, 1585, 1862, 1960, 2128, 2219, 2536, 2660, 3040, 3170, 3724, 3920, 4256, 4438, 4655, 5072, 5320, 6023, 6340, 7448, 7840, 8876, 9310, 10144, 10640, 11095, 12046, 12680, 14896, 15533, 17752, 18620, 21280, 22190, 24092, 25360, 29792, 30115, 31066, 35504, 37240, 42161, 44380, 48184, 50720, 60230, 62132, 71008, 74480, 77665, 84322, 88760, 96368, 120460, 124264, 148960, 155330, 168644, 177520, 192736, 210805, 240920, 248528, 295127, 310660, 337288, 355040, 421610, 481840, 497056, 590254, 621320, 674576, 843220, 963680, 1180508, 1242640, 1349152, 1475635, 1686440, 2361016, 2485280, 2951270, 3372880, 4722032, 5902540, 6745760, 9444064, 11805080, 23610160, 47220320]

約数ペア:

[(1, 47220320), (2, 23610160), (4, 11805080), (5, 9444064), (7, 6745760), (8, 5902540), (10, 4722032), (14, 3372880), (16, 2951270), (19, 2485280), (20, 2361016), (28, 1686440), (32, 1475635), (35, 1349152), (38, 1242640), (40, 1180508), (49, 963680), (56, 843220), (70, 674576), (76, 621320), (80, 590254), (95, 497056), (98, 481840), (112, 421610), (133, 355040), (140, 337288), (152, 310660), (160, 295127), (190, 248528), (196, 240920), (224, 210805), (245, 192736), (266, 177520), (280, 168644), (304, 155330), (317, 148960), (380, 124264), (392, 120460), (490, 96368), (532, 88760), (560, 84322), (608, 77665), (634, 74480), (665, 71008), (760, 62132), (784, 60230), (931, 50720), (980, 48184), (1064, 44380), (1120, 42161), (1268, 37240), (1330, 35504), (1520, 31066), (1568, 30115), (1585, 29792), (1862, 25360), (1960, 24092), (2128, 22190), (2219, 21280), (2536, 18620), (2660, 17752), (3040, 15533), (3170, 14896), (3724, 12680), (3920, 12046), (4256, 11095), (4438, 10640), (4655, 10144), (5072, 9310), (5320, 8876), (6023, 7840), (6340, 7448)]