7878000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:140

約数の個数: 160

約数和(自身を含む): 27623232

約数和(自身を除く): 19745232

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, 101, 104, 120, 125, 130, 150, 156, 195, 200, 202, 208, 240, 250, 260, 300, 303, 312, 325, 375, 390, 400, 404, 500, 505, 520, 600, 606, 624, 650, 750, 780, 808, 975, 1000, 1010, 1040, 1200, 1212, 1300, 1313, 1500, 1515, 1560, 1616, 1625, 1950, 2000, 2020, 2424, 2525, 2600, 2626, 3000, 3030, 3120, 3250, 3900, 3939, 4040, 4848, 4875, 5050, 5200, 5252, 6000, 6060, 6500, 6565, 7575, 7800, 7878, 8080, 9750, 10100, 10504, 12120, 12625, 13000, 13130, 15150, 15600, 15756, 19500, 19695, 20200, 21008, 24240, 25250, 26000, 26260, 30300, 31512, 32825, 37875, 39000, 39390, 40400, 50500, 52520, 60600, 63024, 65650, 75750, 78000, 78780, 98475, 101000, 105040, 121200, 131300, 151500, 157560, 164125, 196950, 202000, 262600, 303000, 315120, 328250, 393900, 492375, 525200, 606000, 656500, 787800, 984750, 1313000, 1575600, 1969500, 2626000, 3939000, 7878000]

約数ペア:

[(1, 7878000), (2, 3939000), (3, 2626000), (4, 1969500), (5, 1575600), (6, 1313000), (8, 984750), (10, 787800), (12, 656500), (13, 606000), (15, 525200), (16, 492375), (20, 393900), (24, 328250), (25, 315120), (26, 303000), (30, 262600), (39, 202000), (40, 196950), (48, 164125), (50, 157560), (52, 151500), (60, 131300), (65, 121200), (75, 105040), (78, 101000), (80, 98475), (100, 78780), (101, 78000), (104, 75750), (120, 65650), (125, 63024), (130, 60600), (150, 52520), (156, 50500), (195, 40400), (200, 39390), (202, 39000), (208, 37875), (240, 32825), (250, 31512), (260, 30300), (300, 26260), (303, 26000), (312, 25250), (325, 24240), (375, 21008), (390, 20200), (400, 19695), (404, 19500), (500, 15756), (505, 15600), (520, 15150), (600, 13130), (606, 13000), (624, 12625), (650, 12120), (750, 10504), (780, 10100), (808, 9750), (975, 8080), (1000, 7878), (1010, 7800), (1040, 7575), (1200, 6565), (1212, 6500), (1300, 6060), (1313, 6000), (1500, 5252), (1515, 5200), (1560, 5050), (1616, 4875), (1625, 4848), (1950, 4040), (2000, 3939), (2020, 3900), (2424, 3250), (2525, 3120), (2600, 3030), (2626, 3000)]