71407980

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{2099}}^1$

素因数の和:2130

約数の個数: 144

約数和(自身を含む): 256838400

約数和(自身を除く): 185430420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 945, 972, 1134, 1215, 1260, 1620, 1701, 1890, 2099, 2268, 2430, 2835, 3402, 3780, 4198, 4860, 5670, 6297, 6804, 8396, 8505, 10495, 11340, 12594, 14693, 17010, 18891, 20990, 25188, 29386, 31485, 34020, 37782, 41980, 44079, 56673, 58772, 62970, 73465, 75564, 88158, 94455, 113346, 125940, 132237, 146930, 170019, 176316, 188910, 220395, 226692, 264474, 283365, 293860, 340038, 377820, 396711, 440790, 510057, 528948, 566730, 661185, 680076, 793422, 850095, 881580, 1020114, 1133460, 1190133, 1322370, 1586844, 1700190, 1983555, 2040228, 2380266, 2550285, 2644740, 3400380, 3570399, 3967110, 4760532, 5100570, 5950665, 7140798, 7934220, 10201140, 11901330, 14281596, 17851995, 23802660, 35703990, 71407980]

約数ペア:

[(1, 71407980), (2, 35703990), (3, 23802660), (4, 17851995), (5, 14281596), (6, 11901330), (7, 10201140), (9, 7934220), (10, 7140798), (12, 5950665), (14, 5100570), (15, 4760532), (18, 3967110), (20, 3570399), (21, 3400380), (27, 2644740), (28, 2550285), (30, 2380266), (35, 2040228), (36, 1983555), (42, 1700190), (45, 1586844), (54, 1322370), (60, 1190133), (63, 1133460), (70, 1020114), (81, 881580), (84, 850095), (90, 793422), (105, 680076), (108, 661185), (126, 566730), (135, 528948), (140, 510057), (162, 440790), (180, 396711), (189, 377820), (210, 340038), (243, 293860), (252, 283365), (270, 264474), (315, 226692), (324, 220395), (378, 188910), (405, 176316), (420, 170019), (486, 146930), (540, 132237), (567, 125940), (630, 113346), (756, 94455), (810, 88158), (945, 75564), (972, 73465), (1134, 62970), (1215, 58772), (1260, 56673), (1620, 44079), (1701, 41980), (1890, 37782), (2099, 34020), (2268, 31485), (2430, 29386), (2835, 25188), (3402, 20990), (3780, 18891), (4198, 17010), (4860, 14693), (5670, 12594), (6297, 11340), (6804, 10495), (8396, 8505)]