1245952000

素因数分解:

$2^{11}\times 5^3\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:225

約数の個数: 192

約数和(自身を含む): 3229873920

約数和(自身を除く): 1983921920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 128, 155, 157, 160, 200, 248, 250, 256, 310, 314, 320, 400, 496, 500, 512, 620, 628, 640, 775, 785, 800, 992, 1000, 1024, 1240, 1256, 1280, 1550, 1570, 1600, 1984, 2000, 2048, 2480, 2512, 2560, 3100, 3140, 3200, 3875, 3925, 3968, 4000, 4867, 4960, 5024, 5120, 6200, 6280, 6400, 7750, 7850, 7936, 8000, 9734, 9920, 10048, 10240, 12400, 12560, 12800, 15500, 15700, 15872, 16000, 19468, 19625, 19840, 20096, 24335, 24800, 25120, 25600, 31000, 31400, 31744, 32000, 38936, 39250, 39680, 40192, 48670, 49600, 50240, 51200, 62000, 62800, 63488, 64000, 77872, 78500, 79360, 80384, 97340, 99200, 100480, 121675, 124000, 125600, 128000, 155744, 157000, 158720, 160768, 194680, 198400, 200960, 243350, 248000, 251200, 256000, 311488, 314000, 317440, 321536, 389360, 396800, 401920, 486700, 496000, 502400, 608375, 622976, 628000, 778720, 793600, 803840, 973400, 992000, 1004800, 1216750, 1245952, 1256000, 1557440, 1587200, 1607680, 1946800, 1984000, 2009600, 2433500, 2491904, 2512000, 3114880, 3893600, 3968000, 4019200, 4867000, 4983808, 5024000, 6229760, 7787200, 7936000, 8038400, 9734000, 9967616, 10048000, 12459520, 15574400, 19468000, 20096000, 24919040, 31148800, 38936000, 40192000, 49838080, 62297600, 77872000, 124595200, 155744000, 249190400, 311488000, 622976000, 1245952000]

約数ペア:

[(1, 1245952000), (2, 622976000), (4, 311488000), (5, 249190400), (8, 155744000), (10, 124595200), (16, 77872000), (20, 62297600), (25, 49838080), (31, 40192000), (32, 38936000), (40, 31148800), (50, 24919040), (62, 20096000), (64, 19468000), (80, 15574400), (100, 12459520), (124, 10048000), (125, 9967616), (128, 9734000), (155, 8038400), (157, 7936000), (160, 7787200), (200, 6229760), (248, 5024000), (250, 4983808), (256, 4867000), (310, 4019200), (314, 3968000), (320, 3893600), (400, 3114880), (496, 2512000), (500, 2491904), (512, 2433500), (620, 2009600), (628, 1984000), (640, 1946800), (775, 1607680), (785, 1587200), (800, 1557440), (992, 1256000), (1000, 1245952), (1024, 1216750), (1240, 1004800), (1256, 992000), (1280, 973400), (1550, 803840), (1570, 793600), (1600, 778720), (1984, 628000), (2000, 622976), (2048, 608375), (2480, 502400), (2512, 496000), (2560, 486700), (3100, 401920), (3140, 396800), (3200, 389360), (3875, 321536), (3925, 317440), (3968, 314000), (4000, 311488), (4867, 256000), (4960, 251200), (5024, 248000), (5120, 243350), (6200, 200960), (6280, 198400), (6400, 194680), (7750, 160768), (7850, 158720), (7936, 157000), (8000, 155744), (9734, 128000), (9920, 125600), (10048, 124000), (10240, 121675), (12400, 100480), (12560, 99200), (12800, 97340), (15500, 80384), (15700, 79360), (15872, 78500), (16000, 77872), (19468, 64000), (19625, 63488), (19840, 62800), (20096, 62000), (24335, 51200), (24800, 50240), (25120, 49600), (25600, 48670), (31000, 40192), (31400, 39680), (31744, 39250), (32000, 38936)]