100405120

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1$

素因数の和:420

約数の個数: 128

約数和(自身を含む): 264384000

約数和(自身を除く): 163978880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 128, 152, 160, 184, 190, 230, 304, 320, 359, 368, 380, 437, 460, 608, 640, 718, 736, 760, 874, 920, 1216, 1436, 1472, 1520, 1748, 1795, 1840, 2185, 2432, 2872, 2944, 3040, 3496, 3590, 3680, 4370, 5744, 6080, 6821, 6992, 7180, 7360, 8257, 8740, 11488, 12160, 13642, 13984, 14360, 14720, 16514, 17480, 22976, 27284, 27968, 28720, 33028, 34105, 34960, 41285, 45952, 54568, 55936, 57440, 66056, 68210, 69920, 82570, 109136, 114880, 132112, 136420, 139840, 156883, 165140, 218272, 229760, 264224, 272840, 279680, 313766, 330280, 436544, 528448, 545680, 627532, 660560, 784415, 873088, 1056896, 1091360, 1255064, 1321120, 1568830, 2182720, 2510128, 2642240, 3137660, 4365440, 5020256, 5284480, 6275320, 10040512, 12550640, 20081024, 25101280, 50202560, 100405120]

約数ペア:

[(1, 100405120), (2, 50202560), (4, 25101280), (5, 20081024), (8, 12550640), (10, 10040512), (16, 6275320), (19, 5284480), (20, 5020256), (23, 4365440), (32, 3137660), (38, 2642240), (40, 2510128), (46, 2182720), (64, 1568830), (76, 1321120), (80, 1255064), (92, 1091360), (95, 1056896), (115, 873088), (128, 784415), (152, 660560), (160, 627532), (184, 545680), (190, 528448), (230, 436544), (304, 330280), (320, 313766), (359, 279680), (368, 272840), (380, 264224), (437, 229760), (460, 218272), (608, 165140), (640, 156883), (718, 139840), (736, 136420), (760, 132112), (874, 114880), (920, 109136), (1216, 82570), (1436, 69920), (1472, 68210), (1520, 66056), (1748, 57440), (1795, 55936), (1840, 54568), (2185, 45952), (2432, 41285), (2872, 34960), (2944, 34105), (3040, 33028), (3496, 28720), (3590, 27968), (3680, 27284), (4370, 22976), (5744, 17480), (6080, 16514), (6821, 14720), (6992, 14360), (7180, 13984), (7360, 13642), (8257, 12160), (8740, 11488)]