202161720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{823}}^1$

素因数の和:949

約数の個数: 128

約数和(自身を含む): 640742400

約数和(自身を除く): 438580680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 89, 92, 115, 120, 138, 178, 184, 230, 267, 276, 345, 356, 445, 460, 534, 552, 690, 712, 823, 890, 920, 1068, 1335, 1380, 1646, 1780, 2047, 2136, 2469, 2670, 2760, 3292, 3560, 4094, 4115, 4938, 5340, 6141, 6584, 8188, 8230, 9876, 10235, 10680, 12282, 12345, 16376, 16460, 18929, 19752, 20470, 24564, 24690, 30705, 32920, 37858, 40940, 49128, 49380, 56787, 61410, 73247, 75716, 81880, 94645, 98760, 113574, 122820, 146494, 151432, 189290, 219741, 227148, 245640, 283935, 292988, 366235, 378580, 439482, 454296, 567870, 585976, 732470, 757160, 878964, 1098705, 1135740, 1464940, 1684681, 1757928, 2197410, 2271480, 2929880, 3369362, 4394820, 5054043, 6738724, 8423405, 8789640, 10108086, 13477448, 16846810, 20216172, 25270215, 33693620, 40432344, 50540430, 67387240, 101080860, 202161720]

約数ペア:

[(1, 202161720), (2, 101080860), (3, 67387240), (4, 50540430), (5, 40432344), (6, 33693620), (8, 25270215), (10, 20216172), (12, 16846810), (15, 13477448), (20, 10108086), (23, 8789640), (24, 8423405), (30, 6738724), (40, 5054043), (46, 4394820), (60, 3369362), (69, 2929880), (89, 2271480), (92, 2197410), (115, 1757928), (120, 1684681), (138, 1464940), (178, 1135740), (184, 1098705), (230, 878964), (267, 757160), (276, 732470), (345, 585976), (356, 567870), (445, 454296), (460, 439482), (534, 378580), (552, 366235), (690, 292988), (712, 283935), (823, 245640), (890, 227148), (920, 219741), (1068, 189290), (1335, 151432), (1380, 146494), (1646, 122820), (1780, 113574), (2047, 98760), (2136, 94645), (2469, 81880), (2670, 75716), (2760, 73247), (3292, 61410), (3560, 56787), (4094, 49380), (4115, 49128), (4938, 40940), (5340, 37858), (6141, 32920), (6584, 30705), (8188, 24690), (8230, 24564), (9876, 20470), (10235, 19752), (10680, 18929), (12282, 16460), (12345, 16376)]