827228800

素因数分解:

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

素因数の和:355

約数の個数: 144

約数和(自身を含む): 2119409550

約数和(自身を除く): 1292180750

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 269, 310, 320, 400, 496, 538, 620, 640, 775, 800, 961, 992, 1076, 1240, 1345, 1550, 1600, 1922, 1984, 2152, 2480, 2690, 3100, 3200, 3844, 3968, 4304, 4805, 4960, 5380, 6200, 6725, 7688, 8339, 8608, 9610, 9920, 10760, 12400, 13450, 15376, 16678, 17216, 19220, 19840, 21520, 24025, 24800, 26900, 30752, 33356, 34432, 38440, 41695, 43040, 48050, 49600, 53800, 61504, 66712, 76880, 83390, 86080, 96100, 99200, 107600, 123008, 133424, 153760, 166780, 172160, 192200, 208475, 215200, 258509, 266848, 307520, 333560, 384400, 416950, 430400, 517018, 533696, 615040, 667120, 768800, 833900, 860800, 1034036, 1067392, 1292545, 1334240, 1537600, 1667800, 2068072, 2585090, 2668480, 3075200, 3335600, 4136144, 5170180, 5336960, 6462725, 6671200, 8272288, 10340360, 12925450, 13342400, 16544576, 20680720, 25850900, 26684800, 33089152, 41361440, 51701800, 82722880, 103403600, 165445760, 206807200, 413614400, 827228800]

約数ペア:

[(1, 827228800), (2, 413614400), (4, 206807200), (5, 165445760), (8, 103403600), (10, 82722880), (16, 51701800), (20, 41361440), (25, 33089152), (31, 26684800), (32, 25850900), (40, 20680720), (50, 16544576), (62, 13342400), (64, 12925450), (80, 10340360), (100, 8272288), (124, 6671200), (128, 6462725), (155, 5336960), (160, 5170180), (200, 4136144), (248, 3335600), (269, 3075200), (310, 2668480), (320, 2585090), (400, 2068072), (496, 1667800), (538, 1537600), (620, 1334240), (640, 1292545), (775, 1067392), (800, 1034036), (961, 860800), (992, 833900), (1076, 768800), (1240, 667120), (1345, 615040), (1550, 533696), (1600, 517018), (1922, 430400), (1984, 416950), (2152, 384400), (2480, 333560), (2690, 307520), (3100, 266848), (3200, 258509), (3844, 215200), (3968, 208475), (4304, 192200), (4805, 172160), (4960, 166780), (5380, 153760), (6200, 133424), (6725, 123008), (7688, 107600), (8339, 99200), (8608, 96100), (9610, 86080), (9920, 83390), (10760, 76880), (12400, 66712), (13450, 61504), (15376, 53800), (16678, 49600), (17216, 48050), (19220, 43040), (19840, 41695), (21520, 38440), (24025, 34432), (24800, 33356), (26900, 30752)]