324880000

素因数分解:

$2^7\times 5^4\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:196

約数の個数: 160

約数和(自身を含む): 841230720

約数和(自身を除く): 516350720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 128, 131, 155, 160, 200, 248, 250, 262, 310, 320, 400, 496, 500, 524, 620, 625, 640, 655, 775, 800, 992, 1000, 1048, 1240, 1250, 1310, 1550, 1600, 1984, 2000, 2096, 2480, 2500, 2620, 3100, 3200, 3275, 3875, 3968, 4000, 4061, 4192, 4960, 5000, 5240, 6200, 6550, 7750, 8000, 8122, 8384, 9920, 10000, 10480, 12400, 13100, 15500, 16000, 16244, 16375, 16768, 19375, 19840, 20000, 20305, 20960, 24800, 26200, 31000, 32488, 32750, 38750, 40000, 40610, 41920, 49600, 52400, 62000, 64976, 65500, 77500, 80000, 81220, 81875, 83840, 99200, 101525, 104800, 124000, 129952, 131000, 155000, 162440, 163750, 203050, 209600, 248000, 259904, 262000, 310000, 324880, 327500, 406100, 419200, 496000, 507625, 519808, 524000, 620000, 649760, 655000, 812200, 1015250, 1048000, 1240000, 1299520, 1310000, 1624400, 2030500, 2096000, 2480000, 2538125, 2599040, 2620000, 3248800, 4061000, 5076250, 5240000, 6497600, 8122000, 10152500, 10480000, 12995200, 16244000, 20305000, 32488000, 40610000, 64976000, 81220000, 162440000, 324880000]

約数ペア:

[(1, 324880000), (2, 162440000), (4, 81220000), (5, 64976000), (8, 40610000), (10, 32488000), (16, 20305000), (20, 16244000), (25, 12995200), (31, 10480000), (32, 10152500), (40, 8122000), (50, 6497600), (62, 5240000), (64, 5076250), (80, 4061000), (100, 3248800), (124, 2620000), (125, 2599040), (128, 2538125), (131, 2480000), (155, 2096000), (160, 2030500), (200, 1624400), (248, 1310000), (250, 1299520), (262, 1240000), (310, 1048000), (320, 1015250), (400, 812200), (496, 655000), (500, 649760), (524, 620000), (620, 524000), (625, 519808), (640, 507625), (655, 496000), (775, 419200), (800, 406100), (992, 327500), (1000, 324880), (1048, 310000), (1240, 262000), (1250, 259904), (1310, 248000), (1550, 209600), (1600, 203050), (1984, 163750), (2000, 162440), (2096, 155000), (2480, 131000), (2500, 129952), (2620, 124000), (3100, 104800), (3200, 101525), (3275, 99200), (3875, 83840), (3968, 81875), (4000, 81220), (4061, 80000), (4192, 77500), (4960, 65500), (5000, 64976), (5240, 62000), (6200, 52400), (6550, 49600), (7750, 41920), (8000, 40610), (8122, 40000), (8384, 38750), (9920, 32750), (10000, 32488), (10480, 31000), (12400, 26200), (13100, 24800), (15500, 20960), (16000, 20305), (16244, 20000), (16375, 19840), (16768, 19375)]