18401600

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:113

約数の個数: 168

約数和(自身を含む): 54425088

約数和(自身を除く): 36023488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 53, 56, 62, 64, 70, 80, 100, 106, 112, 124, 140, 155, 160, 175, 200, 212, 217, 224, 248, 265, 280, 310, 320, 350, 371, 400, 424, 434, 448, 496, 530, 560, 620, 700, 742, 775, 800, 848, 868, 992, 1060, 1085, 1120, 1240, 1325, 1400, 1484, 1550, 1600, 1643, 1696, 1736, 1855, 1984, 2120, 2170, 2240, 2480, 2650, 2800, 2968, 3100, 3286, 3392, 3472, 3710, 4240, 4340, 4960, 5300, 5425, 5600, 5936, 6200, 6572, 6944, 7420, 8215, 8480, 8680, 9275, 9920, 10600, 10850, 11200, 11501, 11872, 12400, 13144, 13888, 14840, 16430, 16960, 17360, 18550, 21200, 21700, 23002, 23744, 24800, 26288, 29680, 32860, 34720, 37100, 41075, 42400, 43400, 46004, 49600, 52576, 57505, 59360, 65720, 69440, 74200, 82150, 84800, 86800, 92008, 105152, 115010, 118720, 131440, 148400, 164300, 173600, 184016, 230020, 262880, 287525, 296800, 328600, 347200, 368032, 460040, 525760, 575050, 593600, 657200, 736064, 920080, 1150100, 1314400, 1840160, 2300200, 2628800, 3680320, 4600400, 9200800, 18401600]

約数ペア:

[(1, 18401600), (2, 9200800), (4, 4600400), (5, 3680320), (7, 2628800), (8, 2300200), (10, 1840160), (14, 1314400), (16, 1150100), (20, 920080), (25, 736064), (28, 657200), (31, 593600), (32, 575050), (35, 525760), (40, 460040), (50, 368032), (53, 347200), (56, 328600), (62, 296800), (64, 287525), (70, 262880), (80, 230020), (100, 184016), (106, 173600), (112, 164300), (124, 148400), (140, 131440), (155, 118720), (160, 115010), (175, 105152), (200, 92008), (212, 86800), (217, 84800), (224, 82150), (248, 74200), (265, 69440), (280, 65720), (310, 59360), (320, 57505), (350, 52576), (371, 49600), (400, 46004), (424, 43400), (434, 42400), (448, 41075), (496, 37100), (530, 34720), (560, 32860), (620, 29680), (700, 26288), (742, 24800), (775, 23744), (800, 23002), (848, 21700), (868, 21200), (992, 18550), (1060, 17360), (1085, 16960), (1120, 16430), (1240, 14840), (1325, 13888), (1400, 13144), (1484, 12400), (1550, 11872), (1600, 11501), (1643, 11200), (1696, 10850), (1736, 10600), (1855, 9920), (1984, 9275), (2120, 8680), (2170, 8480), (2240, 8215), (2480, 7420), (2650, 6944), (2800, 6572), (2968, 6200), (3100, 5936), (3286, 5600), (3392, 5425), (3472, 5300), (3710, 4960), (4240, 4340)]