12905259920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{1871}}^1$

素因数の和:2113

約数の個数: 160

約数和(自身を含む): 34930621440

約数和(自身を除く): 22025361520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 113, 140, 218, 226, 280, 436, 452, 545, 560, 565, 763, 791, 872, 904, 1090, 1130, 1526, 1582, 1744, 1808, 1871, 2180, 2260, 3052, 3164, 3742, 3815, 3955, 4360, 4520, 6104, 6328, 7484, 7630, 7910, 8720, 9040, 9355, 12208, 12317, 12656, 13097, 14968, 15260, 15820, 18710, 24634, 26194, 29936, 30520, 31640, 37420, 49268, 52388, 61040, 61585, 63280, 65485, 74840, 86219, 98536, 104776, 123170, 130970, 149680, 172438, 197072, 203939, 209552, 211423, 246340, 261940, 344876, 407878, 422846, 431095, 492680, 523880, 689752, 815756, 845692, 862190, 985360, 1019695, 1047760, 1057115, 1379504, 1427573, 1479961, 1631512, 1691384, 1724380, 2039390, 2114230, 2855146, 2959922, 3263024, 3382768, 3448760, 4078780, 4228460, 5710292, 5919844, 6897520, 7137865, 7399805, 8157560, 8456920, 11420584, 11839688, 14275730, 14799610, 16315120, 16913840, 22841168, 23045107, 23679376, 28551460, 29599220, 46090214, 57102920, 59198440, 92180428, 114205840, 115225535, 118396880, 161315749, 184360856, 230451070, 322631498, 368721712, 460902140, 645262996, 806578745, 921804280, 1290525992, 1613157490, 1843608560, 2581051984, 3226314980, 6452629960, 12905259920]

約数ペア:

[(1, 12905259920), (2, 6452629960), (4, 3226314980), (5, 2581051984), (7, 1843608560), (8, 1613157490), (10, 1290525992), (14, 921804280), (16, 806578745), (20, 645262996), (28, 460902140), (35, 368721712), (40, 322631498), (56, 230451070), (70, 184360856), (80, 161315749), (109, 118396880), (112, 115225535), (113, 114205840), (140, 92180428), (218, 59198440), (226, 57102920), (280, 46090214), (436, 29599220), (452, 28551460), (545, 23679376), (560, 23045107), (565, 22841168), (763, 16913840), (791, 16315120), (872, 14799610), (904, 14275730), (1090, 11839688), (1130, 11420584), (1526, 8456920), (1582, 8157560), (1744, 7399805), (1808, 7137865), (1871, 6897520), (2180, 5919844), (2260, 5710292), (3052, 4228460), (3164, 4078780), (3742, 3448760), (3815, 3382768), (3955, 3263024), (4360, 2959922), (4520, 2855146), (6104, 2114230), (6328, 2039390), (7484, 1724380), (7630, 1691384), (7910, 1631512), (8720, 1479961), (9040, 1427573), (9355, 1379504), (12208, 1057115), (12317, 1047760), (12656, 1019695), (13097, 985360), (14968, 862190), (15260, 845692), (15820, 815756), (18710, 689752), (24634, 523880), (26194, 492680), (29936, 431095), (30520, 422846), (31640, 407878), (37420, 344876), (49268, 261940), (52388, 246340), (61040, 211423), (61585, 209552), (63280, 203939), (65485, 197072), (74840, 172438), (86219, 149680), (98536, 130970), (104776, 123170)]