61389760

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:498

約数の個数: 112

約数和(自身を含む): 160934400

約数和(自身を除く): 99544640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 152, 160, 184, 190, 230, 304, 320, 368, 380, 437, 439, 460, 608, 736, 760, 874, 878, 920, 1216, 1472, 1520, 1748, 1756, 1840, 2185, 2195, 3040, 3496, 3512, 3680, 4370, 4390, 6080, 6992, 7024, 7360, 8341, 8740, 8780, 10097, 13984, 14048, 16682, 17480, 17560, 20194, 27968, 28096, 33364, 34960, 35120, 40388, 41705, 50485, 66728, 69920, 70240, 80776, 83410, 100970, 133456, 139840, 140480, 161552, 166820, 191843, 201940, 266912, 323104, 333640, 383686, 403880, 533824, 646208, 667280, 767372, 807760, 959215, 1334560, 1534744, 1615520, 1918430, 2669120, 3069488, 3231040, 3836860, 6138976, 7673720, 12277952, 15347440, 30694880, 61389760]

約数ペア:

[(1, 61389760), (2, 30694880), (4, 15347440), (5, 12277952), (8, 7673720), (10, 6138976), (16, 3836860), (19, 3231040), (20, 3069488), (23, 2669120), (32, 1918430), (38, 1615520), (40, 1534744), (46, 1334560), (64, 959215), (76, 807760), (80, 767372), (92, 667280), (95, 646208), (115, 533824), (152, 403880), (160, 383686), (184, 333640), (190, 323104), (230, 266912), (304, 201940), (320, 191843), (368, 166820), (380, 161552), (437, 140480), (439, 139840), (460, 133456), (608, 100970), (736, 83410), (760, 80776), (874, 70240), (878, 69920), (920, 66728), (1216, 50485), (1472, 41705), (1520, 40388), (1748, 35120), (1756, 34960), (1840, 33364), (2185, 28096), (2195, 27968), (3040, 20194), (3496, 17560), (3512, 17480), (3680, 16682), (4370, 14048), (4390, 13984), (6080, 10097), (6992, 8780), (7024, 8740), (7360, 8341)]