667120000

素因数分解:

$2^7\times 5^4\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:334

約数の個数: 160

約数和(自身を含む): 1720699200

約数和(自身を除く): 1053579200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 128, 155, 160, 200, 248, 250, 269, 310, 320, 400, 496, 500, 538, 620, 625, 640, 775, 800, 992, 1000, 1076, 1240, 1250, 1345, 1550, 1600, 1984, 2000, 2152, 2480, 2500, 2690, 3100, 3200, 3875, 3968, 4000, 4304, 4960, 5000, 5380, 6200, 6725, 7750, 8000, 8339, 8608, 9920, 10000, 10760, 12400, 13450, 15500, 16000, 16678, 17216, 19375, 19840, 20000, 21520, 24800, 26900, 31000, 33356, 33625, 34432, 38750, 40000, 41695, 43040, 49600, 53800, 62000, 66712, 67250, 77500, 80000, 83390, 86080, 99200, 107600, 124000, 133424, 134500, 155000, 166780, 168125, 172160, 208475, 215200, 248000, 266848, 269000, 310000, 333560, 336250, 416950, 430400, 496000, 533696, 538000, 620000, 667120, 672500, 833900, 860800, 1042375, 1067392, 1076000, 1240000, 1334240, 1345000, 1667800, 2084750, 2152000, 2480000, 2668480, 2690000, 3335600, 4169500, 4304000, 5211875, 5336960, 5380000, 6671200, 8339000, 10423750, 10760000, 13342400, 16678000, 20847500, 21520000, 26684800, 33356000, 41695000, 66712000, 83390000, 133424000, 166780000, 333560000, 667120000]

約数ペア:

[(1, 667120000), (2, 333560000), (4, 166780000), (5, 133424000), (8, 83390000), (10, 66712000), (16, 41695000), (20, 33356000), (25, 26684800), (31, 21520000), (32, 20847500), (40, 16678000), (50, 13342400), (62, 10760000), (64, 10423750), (80, 8339000), (100, 6671200), (124, 5380000), (125, 5336960), (128, 5211875), (155, 4304000), (160, 4169500), (200, 3335600), (248, 2690000), (250, 2668480), (269, 2480000), (310, 2152000), (320, 2084750), (400, 1667800), (496, 1345000), (500, 1334240), (538, 1240000), (620, 1076000), (625, 1067392), (640, 1042375), (775, 860800), (800, 833900), (992, 672500), (1000, 667120), (1076, 620000), (1240, 538000), (1250, 533696), (1345, 496000), (1550, 430400), (1600, 416950), (1984, 336250), (2000, 333560), (2152, 310000), (2480, 269000), (2500, 266848), (2690, 248000), (3100, 215200), (3200, 208475), (3875, 172160), (3968, 168125), (4000, 166780), (4304, 155000), (4960, 134500), (5000, 133424), (5380, 124000), (6200, 107600), (6725, 99200), (7750, 86080), (8000, 83390), (8339, 80000), (8608, 77500), (9920, 67250), (10000, 66712), (10760, 62000), (12400, 53800), (13450, 49600), (15500, 43040), (16000, 41695), (16678, 40000), (17216, 38750), (19375, 34432), (19840, 33625), (20000, 33356), (21520, 31000), (24800, 26900)]