About the Number

131805072

131805071 ← → 131805073

2進数表記:111110110110010111110010000

漢数字表記:一億三千百八十万五千七十二

素因数分解:

2 4 × 3 2 × 7 1 × 229 1 × 571 1

素因数の和:821
約数の個数: 120
約数和(自身を含む): 424149440
約数和(自身を除く): 292344368

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 229, 252, 336, 458, 504, 571, 687, 916, 1008, 1142, 1374, 1603, 1713, 1832, 2061, 2284, 2748, 3206, 3426, 3664, 3997, 4122, 4568, 4809, 5139, 5496, 6412, 6852, 7994, 8244, 9136, 9618, 10278, 10992, 11991, 12824, 13704, 14427, 15988, 16488, 19236, 20556, 23982, 25648, 27408, 28854, 31976, 32976, 35973, 38472, 41112, 47964, 57708, 63952, 71946, 76944, 82224, 95928, 115416, 130759, 143892, 191856, 230832, 261518, 287784, 392277, 523036, 575568, 784554, 915313, 1046072, 1176831, 1569108, 1830626, 2092144, 2353662, 2745939, 3138216, 3661252, 4707324, 5491878, 6276432, 7322504, 8237817, 9414648, 10983756, 14645008, 16475634, 18829296, 21967512, 32951268, 43935024, 65902536, 131805072]

約数ペア:
[(1, 131805072), (2, 65902536), (3, 43935024), (4, 32951268), (6, 21967512), (7, 18829296), (8, 16475634), (9, 14645008), (12, 10983756), (14, 9414648), (16, 8237817), (18, 7322504), (21, 6276432), (24, 5491878), (28, 4707324), (36, 3661252), (42, 3138216), (48, 2745939), (56, 2353662), (63, 2092144), (72, 1830626), (84, 1569108), (112, 1176831), (126, 1046072), (144, 915313), (168, 784554), (229, 575568), (252, 523036), (336, 392277), (458, 287784), (504, 261518), (571, 230832), (687, 191856), (916, 143892), (1008, 130759), (1142, 115416), (1374, 95928), (1603, 82224), (1713, 76944), (1832, 71946), (2061, 63952), (2284, 57708), (2748, 47964), (3206, 41112), (3426, 38472), (3664, 35973), (3997, 32976), (4122, 31976), (4568, 28854), (4809, 27408), (5139, 25648), (5496, 23982), (6412, 20556), (6852, 19236), (7994, 16488), (8244, 15988), (9136, 14427), (9618, 13704), (10278, 12824), (10992, 11991)]

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