81322800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{401}}^1$

素因数の和:448

約数の個数: 180

約数和(自身を含む): 282787704

約数和(自身を除く): 201464904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 130, 150, 156, 169, 195, 200, 208, 240, 260, 300, 312, 325, 338, 390, 400, 401, 507, 520, 600, 624, 650, 676, 780, 802, 845, 975, 1014, 1040, 1200, 1203, 1300, 1352, 1560, 1604, 1690, 1950, 2005, 2028, 2406, 2535, 2600, 2704, 3120, 3208, 3380, 3900, 4010, 4056, 4225, 4812, 5070, 5200, 5213, 6015, 6416, 6760, 7800, 8020, 8112, 8450, 9624, 10025, 10140, 10426, 12030, 12675, 13520, 15600, 15639, 16040, 16900, 19248, 20050, 20280, 20852, 24060, 25350, 26065, 30075, 31278, 32080, 33800, 40100, 40560, 41704, 48120, 50700, 52130, 60150, 62556, 67600, 67769, 78195, 80200, 83408, 96240, 101400, 104260, 120300, 125112, 130325, 135538, 156390, 160400, 202800, 203307, 208520, 240600, 250224, 260650, 271076, 312780, 338845, 390975, 406614, 417040, 481200, 521300, 542152, 625560, 677690, 781950, 813228, 1016535, 1042600, 1084304, 1251120, 1355380, 1563900, 1626456, 1694225, 2033070, 2085200, 2710760, 3127800, 3252912, 3388450, 4066140, 5082675, 5421520, 6255600, 6776900, 8132280, 10165350, 13553800, 16264560, 20330700, 27107600, 40661400, 81322800]

約数ペア:

[(1, 81322800), (2, 40661400), (3, 27107600), (4, 20330700), (5, 16264560), (6, 13553800), (8, 10165350), (10, 8132280), (12, 6776900), (13, 6255600), (15, 5421520), (16, 5082675), (20, 4066140), (24, 3388450), (25, 3252912), (26, 3127800), (30, 2710760), (39, 2085200), (40, 2033070), (48, 1694225), (50, 1626456), (52, 1563900), (60, 1355380), (65, 1251120), (75, 1084304), (78, 1042600), (80, 1016535), (100, 813228), (104, 781950), (120, 677690), (130, 625560), (150, 542152), (156, 521300), (169, 481200), (195, 417040), (200, 406614), (208, 390975), (240, 338845), (260, 312780), (300, 271076), (312, 260650), (325, 250224), (338, 240600), (390, 208520), (400, 203307), (401, 202800), (507, 160400), (520, 156390), (600, 135538), (624, 130325), (650, 125112), (676, 120300), (780, 104260), (802, 101400), (845, 96240), (975, 83408), (1014, 80200), (1040, 78195), (1200, 67769), (1203, 67600), (1300, 62556), (1352, 60150), (1560, 52130), (1604, 50700), (1690, 48120), (1950, 41704), (2005, 40560), (2028, 40100), (2406, 33800), (2535, 32080), (2600, 31278), (2704, 30075), (3120, 26065), (3208, 25350), (3380, 24060), (3900, 20852), (4010, 20280), (4056, 20050), (4225, 19248), (4812, 16900), (5070, 16040), (5200, 15639), (5213, 15600), (6015, 13520), (6416, 12675), (6760, 12030), (7800, 10426), (8020, 10140), (8112, 10025), (8450, 9624)]