1491000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{71}}^1$

素因数の和:102

約数の個数: 128

約数和(自身を含む): 5391360

約数和(自身を除く): 3900360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 71, 75, 84, 100, 105, 120, 125, 140, 142, 150, 168, 175, 200, 210, 213, 250, 280, 284, 300, 350, 355, 375, 420, 426, 497, 500, 525, 568, 600, 700, 710, 750, 840, 852, 875, 994, 1000, 1050, 1065, 1400, 1420, 1491, 1500, 1704, 1750, 1775, 1988, 2100, 2130, 2485, 2625, 2840, 2982, 3000, 3500, 3550, 3976, 4200, 4260, 4970, 5250, 5325, 5964, 7000, 7100, 7455, 8520, 8875, 9940, 10500, 10650, 11928, 12425, 14200, 14910, 17750, 19880, 21000, 21300, 24850, 26625, 29820, 35500, 37275, 42600, 49700, 53250, 59640, 62125, 71000, 74550, 99400, 106500, 124250, 149100, 186375, 213000, 248500, 298200, 372750, 497000, 745500, 1491000]

約数ペア:

[(1, 1491000), (2, 745500), (3, 497000), (4, 372750), (5, 298200), (6, 248500), (7, 213000), (8, 186375), (10, 149100), (12, 124250), (14, 106500), (15, 99400), (20, 74550), (21, 71000), (24, 62125), (25, 59640), (28, 53250), (30, 49700), (35, 42600), (40, 37275), (42, 35500), (50, 29820), (56, 26625), (60, 24850), (70, 21300), (71, 21000), (75, 19880), (84, 17750), (100, 14910), (105, 14200), (120, 12425), (125, 11928), (140, 10650), (142, 10500), (150, 9940), (168, 8875), (175, 8520), (200, 7455), (210, 7100), (213, 7000), (250, 5964), (280, 5325), (284, 5250), (300, 4970), (350, 4260), (355, 4200), (375, 3976), (420, 3550), (426, 3500), (497, 3000), (500, 2982), (525, 2840), (568, 2625), (600, 2485), (700, 2130), (710, 2100), (750, 1988), (840, 1775), (852, 1750), (875, 1704), (994, 1500), (1000, 1491), (1050, 1420), (1065, 1400)]