31278000

素因数分解:

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

素因数の和:440

約数の個数: 160

約数和(自身を含む): 108868032

約数和(自身を除く): 77590032

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, 125, 130, 150, 156, 195, 200, 208, 240, 250, 260, 300, 312, 325, 375, 390, 400, 401, 500, 520, 600, 624, 650, 750, 780, 802, 975, 1000, 1040, 1200, 1203, 1300, 1500, 1560, 1604, 1625, 1950, 2000, 2005, 2406, 2600, 3000, 3120, 3208, 3250, 3900, 4010, 4812, 4875, 5200, 5213, 6000, 6015, 6416, 6500, 7800, 8020, 9624, 9750, 10025, 10426, 12030, 13000, 15600, 15639, 16040, 19248, 19500, 20050, 20852, 24060, 26000, 26065, 30075, 31278, 32080, 39000, 40100, 41704, 48120, 50125, 52130, 60150, 62556, 78000, 78195, 80200, 83408, 96240, 100250, 104260, 120300, 125112, 130325, 150375, 156390, 160400, 200500, 208520, 240600, 250224, 260650, 300750, 312780, 390975, 401000, 417040, 481200, 521300, 601500, 625560, 651625, 781950, 802000, 1042600, 1203000, 1251120, 1303250, 1563900, 1954875, 2085200, 2406000, 2606500, 3127800, 3909750, 5213000, 6255600, 7819500, 10426000, 15639000, 31278000]

約数ペア:

[(1, 31278000), (2, 15639000), (3, 10426000), (4, 7819500), (5, 6255600), (6, 5213000), (8, 3909750), (10, 3127800), (12, 2606500), (13, 2406000), (15, 2085200), (16, 1954875), (20, 1563900), (24, 1303250), (25, 1251120), (26, 1203000), (30, 1042600), (39, 802000), (40, 781950), (48, 651625), (50, 625560), (52, 601500), (60, 521300), (65, 481200), (75, 417040), (78, 401000), (80, 390975), (100, 312780), (104, 300750), (120, 260650), (125, 250224), (130, 240600), (150, 208520), (156, 200500), (195, 160400), (200, 156390), (208, 150375), (240, 130325), (250, 125112), (260, 120300), (300, 104260), (312, 100250), (325, 96240), (375, 83408), (390, 80200), (400, 78195), (401, 78000), (500, 62556), (520, 60150), (600, 52130), (624, 50125), (650, 48120), (750, 41704), (780, 40100), (802, 39000), (975, 32080), (1000, 31278), (1040, 30075), (1200, 26065), (1203, 26000), (1300, 24060), (1500, 20852), (1560, 20050), (1604, 19500), (1625, 19248), (1950, 16040), (2000, 15639), (2005, 15600), (2406, 13000), (2600, 12030), (3000, 10426), (3120, 10025), (3208, 9750), (3250, 9624), (3900, 8020), (4010, 7800), (4812, 6500), (4875, 6416), (5200, 6015), (5213, 6000)]