128811200

素因数分解:

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

素因数の和:120

約数の個数: 252

約数和(自身を含む): 387778752

約数和(自身を除く): 258967552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 49, 50, 53, 56, 62, 64, 70, 80, 98, 100, 106, 112, 124, 140, 155, 160, 175, 196, 200, 212, 217, 224, 245, 248, 265, 280, 310, 320, 350, 371, 392, 400, 424, 434, 448, 490, 496, 530, 560, 620, 700, 742, 775, 784, 800, 848, 868, 980, 992, 1060, 1085, 1120, 1225, 1240, 1325, 1400, 1484, 1519, 1550, 1568, 1600, 1643, 1696, 1736, 1855, 1960, 1984, 2120, 2170, 2240, 2450, 2480, 2597, 2650, 2800, 2968, 3038, 3100, 3136, 3286, 3392, 3472, 3710, 3920, 4240, 4340, 4900, 4960, 5194, 5300, 5425, 5600, 5936, 6076, 6200, 6572, 6944, 7420, 7595, 7840, 8215, 8480, 8680, 9275, 9800, 9920, 10388, 10600, 10850, 11200, 11501, 11872, 12152, 12400, 12985, 13144, 13888, 14840, 15190, 15680, 16430, 16960, 17360, 18550, 19600, 20776, 21200, 21700, 23002, 23744, 24304, 24800, 25970, 26288, 29680, 30380, 32860, 34720, 37100, 37975, 39200, 41075, 41552, 42400, 43400, 46004, 48608, 49600, 51940, 52576, 57505, 59360, 60760, 64925, 65720, 69440, 74200, 75950, 78400, 80507, 82150, 83104, 84800, 86800, 92008, 97216, 103880, 105152, 115010, 118720, 121520, 129850, 131440, 148400, 151900, 161014, 164300, 166208, 173600, 184016, 207760, 230020, 243040, 259700, 262880, 287525, 296800, 303800, 322028, 328600, 347200, 368032, 402535, 415520, 460040, 486080, 519400, 525760, 575050, 593600, 607600, 644056, 657200, 736064, 805070, 831040, 920080, 1038800, 1150100, 1215200, 1288112, 1314400, 1610140, 1840160, 2012675, 2077600, 2300200, 2430400, 2576224, 2628800, 3220280, 3680320, 4025350, 4155200, 4600400, 5152448, 6440560, 8050700, 9200800, 12881120, 16101400, 18401600, 25762240, 32202800, 64405600, 128811200]

約数ペア:

[(1, 128811200), (2, 64405600), (4, 32202800), (5, 25762240), (7, 18401600), (8, 16101400), (10, 12881120), (14, 9200800), (16, 8050700), (20, 6440560), (25, 5152448), (28, 4600400), (31, 4155200), (32, 4025350), (35, 3680320), (40, 3220280), (49, 2628800), (50, 2576224), (53, 2430400), (56, 2300200), (62, 2077600), (64, 2012675), (70, 1840160), (80, 1610140), (98, 1314400), (100, 1288112), (106, 1215200), (112, 1150100), (124, 1038800), (140, 920080), (155, 831040), (160, 805070), (175, 736064), (196, 657200), (200, 644056), (212, 607600), (217, 593600), (224, 575050), (245, 525760), (248, 519400), (265, 486080), (280, 460040), (310, 415520), (320, 402535), (350, 368032), (371, 347200), (392, 328600), (400, 322028), (424, 303800), (434, 296800), (448, 287525), (490, 262880), (496, 259700), (530, 243040), (560, 230020), (620, 207760), (700, 184016), (742, 173600), (775, 166208), (784, 164300), (800, 161014), (848, 151900), (868, 148400), (980, 131440), (992, 129850), (1060, 121520), (1085, 118720), (1120, 115010), (1225, 105152), (1240, 103880), (1325, 97216), (1400, 92008), (1484, 86800), (1519, 84800), (1550, 83104), (1568, 82150), (1600, 80507), (1643, 78400), (1696, 75950), (1736, 74200), (1855, 69440), (1960, 65720), (1984, 64925), (2120, 60760), (2170, 59360), (2240, 57505), (2450, 52576), (2480, 51940), (2597, 49600), (2650, 48608), (2800, 46004), (2968, 43400), (3038, 42400), (3100, 41552), (3136, 41075), (3286, 39200), (3392, 37975), (3472, 37100), (3710, 34720), (3920, 32860), (4240, 30380), (4340, 29680), (4900, 26288), (4960, 25970), (5194, 24800), (5300, 24304), (5425, 23744), (5600, 23002), (5936, 21700), (6076, 21200), (6200, 20776), (6572, 19600), (6944, 18550), (7420, 17360), (7595, 16960), (7840, 16430), (8215, 15680), (8480, 15190), (8680, 14840), (9275, 13888), (9800, 13144), (9920, 12985), (10388, 12400), (10600, 12152), (10850, 11872), (11200, 11501)]