668540040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{7727}}^1$

素因数の和:7851

約数の個数: 128

約数和(自身を含む): 2314690560

約数和(自身を除く): 1646150520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 103, 105, 120, 140, 168, 206, 210, 280, 309, 412, 420, 515, 618, 721, 824, 840, 1030, 1236, 1442, 1545, 2060, 2163, 2472, 2884, 3090, 3605, 4120, 4326, 5768, 6180, 7210, 7727, 8652, 10815, 12360, 14420, 15454, 17304, 21630, 23181, 28840, 30908, 38635, 43260, 46362, 54089, 61816, 77270, 86520, 92724, 108178, 115905, 154540, 162267, 185448, 216356, 231810, 270445, 309080, 324534, 432712, 463620, 540890, 649068, 795881, 811335, 927240, 1081780, 1298136, 1591762, 1622670, 2163560, 2387643, 3183524, 3245340, 3979405, 4775286, 5571167, 6367048, 6490680, 7958810, 9550572, 11142334, 11938215, 15917620, 16713501, 19101144, 22284668, 23876430, 27855835, 31835240, 33427002, 44569336, 47752860, 55711670, 66854004, 83567505, 95505720, 111423340, 133708008, 167135010, 222846680, 334270020, 668540040]

約数ペア:

[(1, 668540040), (2, 334270020), (3, 222846680), (4, 167135010), (5, 133708008), (6, 111423340), (7, 95505720), (8, 83567505), (10, 66854004), (12, 55711670), (14, 47752860), (15, 44569336), (20, 33427002), (21, 31835240), (24, 27855835), (28, 23876430), (30, 22284668), (35, 19101144), (40, 16713501), (42, 15917620), (56, 11938215), (60, 11142334), (70, 9550572), (84, 7958810), (103, 6490680), (105, 6367048), (120, 5571167), (140, 4775286), (168, 3979405), (206, 3245340), (210, 3183524), (280, 2387643), (309, 2163560), (412, 1622670), (420, 1591762), (515, 1298136), (618, 1081780), (721, 927240), (824, 811335), (840, 795881), (1030, 649068), (1236, 540890), (1442, 463620), (1545, 432712), (2060, 324534), (2163, 309080), (2472, 270445), (2884, 231810), (3090, 216356), (3605, 185448), (4120, 162267), (4326, 154540), (5768, 115905), (6180, 108178), (7210, 92724), (7727, 86520), (8652, 77270), (10815, 61816), (12360, 54089), (14420, 46362), (15454, 43260), (17304, 38635), (21630, 30908), (23181, 28840)]