1580739720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{40039}}^1$

素因数の和:40107

約数の個数: 128

約数和(自身を含む): 5535129600

約数和(自身を除く): 3954389880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 420, 470, 564, 658, 705, 840, 940, 987, 1128, 1316, 1410, 1645, 1880, 1974, 2632, 2820, 3290, 3948, 4935, 5640, 6580, 7896, 9870, 13160, 19740, 39480, 40039, 80078, 120117, 160156, 200195, 240234, 280273, 320312, 400390, 480468, 560546, 600585, 800780, 840819, 960936, 1121092, 1201170, 1401365, 1601560, 1681638, 1881833, 2242184, 2402340, 2802730, 3363276, 3763666, 4204095, 4804680, 5605460, 5645499, 6726552, 7527332, 8408190, 9409165, 11210920, 11290998, 13172831, 15054664, 16816380, 18818330, 22581996, 26345662, 28227495, 33632760, 37636660, 39518493, 45163992, 52691324, 56454990, 65864155, 75273320, 79036986, 105382648, 112909980, 131728310, 158073972, 197592465, 225819960, 263456620, 316147944, 395184930, 526913240, 790369860, 1580739720]

約数ペア:

[(1, 1580739720), (2, 790369860), (3, 526913240), (4, 395184930), (5, 316147944), (6, 263456620), (7, 225819960), (8, 197592465), (10, 158073972), (12, 131728310), (14, 112909980), (15, 105382648), (20, 79036986), (21, 75273320), (24, 65864155), (28, 56454990), (30, 52691324), (35, 45163992), (40, 39518493), (42, 37636660), (47, 33632760), (56, 28227495), (60, 26345662), (70, 22581996), (84, 18818330), (94, 16816380), (105, 15054664), (120, 13172831), (140, 11290998), (141, 11210920), (168, 9409165), (188, 8408190), (210, 7527332), (235, 6726552), (280, 5645499), (282, 5605460), (329, 4804680), (376, 4204095), (420, 3763666), (470, 3363276), (564, 2802730), (658, 2402340), (705, 2242184), (840, 1881833), (940, 1681638), (987, 1601560), (1128, 1401365), (1316, 1201170), (1410, 1121092), (1645, 960936), (1880, 840819), (1974, 800780), (2632, 600585), (2820, 560546), (3290, 480468), (3948, 400390), (4935, 320312), (5640, 280273), (6580, 240234), (7896, 200195), (9870, 160156), (13160, 120117), (19740, 80078), (39480, 40039)]