209564280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3181}}^1$

素因数の和:3262

約数の個数: 128

約数和(自身を含む): 710222400

約数和(自身を除く): 500658120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 90, 108, 120, 122, 135, 180, 183, 216, 244, 270, 305, 360, 366, 488, 540, 549, 610, 732, 915, 1080, 1098, 1220, 1464, 1647, 1830, 2196, 2440, 2745, 3181, 3294, 3660, 4392, 5490, 6362, 6588, 7320, 8235, 9543, 10980, 12724, 13176, 15905, 16470, 19086, 21960, 25448, 28629, 31810, 32940, 38172, 47715, 57258, 63620, 65880, 76344, 85887, 95430, 114516, 127240, 143145, 171774, 190860, 194041, 229032, 286290, 343548, 381720, 388082, 429435, 572580, 582123, 687096, 776164, 858870, 970205, 1145160, 1164246, 1552328, 1717740, 1746369, 1940410, 2328492, 2910615, 3435480, 3492738, 3880820, 4656984, 5239107, 5821230, 6985476, 7761640, 8731845, 10478214, 11642460, 13970952, 17463690, 20956428, 23284920, 26195535, 34927380, 41912856, 52391070, 69854760, 104782140, 209564280]

約数ペア:

[(1, 209564280), (2, 104782140), (3, 69854760), (4, 52391070), (5, 41912856), (6, 34927380), (8, 26195535), (9, 23284920), (10, 20956428), (12, 17463690), (15, 13970952), (18, 11642460), (20, 10478214), (24, 8731845), (27, 7761640), (30, 6985476), (36, 5821230), (40, 5239107), (45, 4656984), (54, 3880820), (60, 3492738), (61, 3435480), (72, 2910615), (90, 2328492), (108, 1940410), (120, 1746369), (122, 1717740), (135, 1552328), (180, 1164246), (183, 1145160), (216, 970205), (244, 858870), (270, 776164), (305, 687096), (360, 582123), (366, 572580), (488, 429435), (540, 388082), (549, 381720), (610, 343548), (732, 286290), (915, 229032), (1080, 194041), (1098, 190860), (1220, 171774), (1464, 143145), (1647, 127240), (1830, 114516), (2196, 95430), (2440, 85887), (2745, 76344), (3181, 65880), (3294, 63620), (3660, 57258), (4392, 47715), (5490, 38172), (6362, 32940), (6588, 31810), (7320, 28629), (8235, 25448), (9543, 21960), (10980, 19086), (12724, 16470), (13176, 15905)]