21472800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:435

約数の個数: 144

約数和(自身を含む): 73120320

約数和(自身を除く): 51647520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 32, 40, 46, 48, 50, 60, 69, 75, 80, 92, 96, 100, 115, 120, 138, 150, 160, 184, 200, 230, 240, 276, 300, 345, 368, 389, 400, 460, 480, 552, 575, 600, 690, 736, 778, 800, 920, 1104, 1150, 1167, 1200, 1380, 1556, 1725, 1840, 1945, 2208, 2300, 2334, 2400, 2760, 3112, 3450, 3680, 3890, 4600, 4668, 5520, 5835, 6224, 6900, 7780, 8947, 9200, 9336, 9725, 11040, 11670, 12448, 13800, 15560, 17894, 18400, 18672, 19450, 23340, 26841, 27600, 29175, 31120, 35788, 37344, 38900, 44735, 46680, 53682, 55200, 58350, 62240, 71576, 77800, 89470, 93360, 107364, 116700, 134205, 143152, 155600, 178940, 186720, 214728, 223675, 233400, 268410, 286304, 311200, 357880, 429456, 447350, 466800, 536820, 671025, 715760, 858912, 894700, 933600, 1073640, 1342050, 1431520, 1789400, 2147280, 2684100, 3578800, 4294560, 5368200, 7157600, 10736400, 21472800]

約数ペア:

[(1, 21472800), (2, 10736400), (3, 7157600), (4, 5368200), (5, 4294560), (6, 3578800), (8, 2684100), (10, 2147280), (12, 1789400), (15, 1431520), (16, 1342050), (20, 1073640), (23, 933600), (24, 894700), (25, 858912), (30, 715760), (32, 671025), (40, 536820), (46, 466800), (48, 447350), (50, 429456), (60, 357880), (69, 311200), (75, 286304), (80, 268410), (92, 233400), (96, 223675), (100, 214728), (115, 186720), (120, 178940), (138, 155600), (150, 143152), (160, 134205), (184, 116700), (200, 107364), (230, 93360), (240, 89470), (276, 77800), (300, 71576), (345, 62240), (368, 58350), (389, 55200), (400, 53682), (460, 46680), (480, 44735), (552, 38900), (575, 37344), (600, 35788), (690, 31120), (736, 29175), (778, 27600), (800, 26841), (920, 23340), (1104, 19450), (1150, 18672), (1167, 18400), (1200, 17894), (1380, 15560), (1556, 13800), (1725, 12448), (1840, 11670), (1945, 11040), (2208, 9725), (2300, 9336), (2334, 9200), (2400, 8947), (2760, 7780), (3112, 6900), (3450, 6224), (3680, 5835), (3890, 5520), (4600, 4668)]