155744000

素因数分解:

$2^8\times 5^3\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:219

約数の個数: 144

約数和(自身を含む): 403044096

約数和(自身を除く): 247300096

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, 620, 628, 640, 775, 785, 800, 992, 1000, 1240, 1256, 1280, 1550, 1570, 1600, 1984, 2000, 2480, 2512, 3100, 3140, 3200, 3875, 3925, 3968, 4000, 4867, 4960, 5024, 6200, 6280, 6400, 7750, 7850, 7936, 8000, 9734, 9920, 10048, 12400, 12560, 15500, 15700, 16000, 19468, 19625, 19840, 20096, 24335, 24800, 25120, 31000, 31400, 32000, 38936, 39250, 39680, 40192, 48670, 49600, 50240, 62000, 62800, 77872, 78500, 97340, 99200, 100480, 121675, 124000, 125600, 155744, 157000, 194680, 198400, 200960, 243350, 248000, 251200, 311488, 314000, 389360, 486700, 496000, 502400, 608375, 622976, 628000, 778720, 973400, 992000, 1004800, 1216750, 1245952, 1256000, 1557440, 1946800, 2433500, 2512000, 3114880, 3893600, 4867000, 5024000, 6229760, 7787200, 9734000, 15574400, 19468000, 31148800, 38936000, 77872000, 155744000]

約数ペア:

[(1, 155744000), (2, 77872000), (4, 38936000), (5, 31148800), (8, 19468000), (10, 15574400), (16, 9734000), (20, 7787200), (25, 6229760), (31, 5024000), (32, 4867000), (40, 3893600), (50, 3114880), (62, 2512000), (64, 2433500), (80, 1946800), (100, 1557440), (124, 1256000), (125, 1245952), (128, 1216750), (155, 1004800), (157, 992000), (160, 973400), (200, 778720), (248, 628000), (250, 622976), (256, 608375), (310, 502400), (314, 496000), (320, 486700), (400, 389360), (496, 314000), (500, 311488), (620, 251200), (628, 248000), (640, 243350), (775, 200960), (785, 198400), (800, 194680), (992, 157000), (1000, 155744), (1240, 125600), (1256, 124000), (1280, 121675), (1550, 100480), (1570, 99200), (1600, 97340), (1984, 78500), (2000, 77872), (2480, 62800), (2512, 62000), (3100, 50240), (3140, 49600), (3200, 48670), (3875, 40192), (3925, 39680), (3968, 39250), (4000, 38936), (4867, 32000), (4960, 31400), (5024, 31000), (6200, 25120), (6280, 24800), (6400, 24335), (7750, 20096), (7850, 19840), (7936, 19625), (8000, 19468), (9734, 16000), (9920, 15700), (10048, 15500), (12400, 12560)]