645760080

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{42709}}^1$

素因数の和:42738

約数の個数: 160

約数和(自身を含む): 2542099200

約数和(自身を除く): 1896339120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 42709, 85418, 128127, 170836, 213545, 256254, 298963, 341672, 384381, 427090, 512508, 597926, 640635, 683344, 768762, 854180, 896889, 1025016, 1153143, 1195852, 1281270, 1494815, 1537524, 1708360, 1793778, 1921905, 2050032, 2306286, 2391704, 2562540, 2690667, 2989630, 3075048, 3416720, 3587556, 3843810, 4484445, 4612572, 4783408, 5125080, 5381334, 5765715, 5979260, 6150096, 7175112, 7687620, 8072001, 8968890, 9225144, 10250160, 10762668, 11531430, 11958520, 13453335, 14350224, 15375240, 16144002, 17937780, 18450288, 21525336, 23062860, 23917040, 26906670, 30750480, 32288004, 35875560, 40360005, 43050672, 46125720, 53813340, 64576008, 71751120, 80720010, 92251440, 107626680, 129152016, 161440020, 215253360, 322880040, 645760080]

約数ペア:

[(1, 645760080), (2, 322880040), (3, 215253360), (4, 161440020), (5, 129152016), (6, 107626680), (7, 92251440), (8, 80720010), (9, 71751120), (10, 64576008), (12, 53813340), (14, 46125720), (15, 43050672), (16, 40360005), (18, 35875560), (20, 32288004), (21, 30750480), (24, 26906670), (27, 23917040), (28, 23062860), (30, 21525336), (35, 18450288), (36, 17937780), (40, 16144002), (42, 15375240), (45, 14350224), (48, 13453335), (54, 11958520), (56, 11531430), (60, 10762668), (63, 10250160), (70, 9225144), (72, 8968890), (80, 8072001), (84, 7687620), (90, 7175112), (105, 6150096), (108, 5979260), (112, 5765715), (120, 5381334), (126, 5125080), (135, 4783408), (140, 4612572), (144, 4484445), (168, 3843810), (180, 3587556), (189, 3416720), (210, 3075048), (216, 2989630), (240, 2690667), (252, 2562540), (270, 2391704), (280, 2306286), (315, 2050032), (336, 1921905), (360, 1793778), (378, 1708360), (420, 1537524), (432, 1494815), (504, 1281270), (540, 1195852), (560, 1153143), (630, 1025016), (720, 896889), (756, 854180), (840, 768762), (945, 683344), (1008, 640635), (1080, 597926), (1260, 512508), (1512, 427090), (1680, 384381), (1890, 341672), (2160, 298963), (2520, 256254), (3024, 213545), (3780, 170836), (5040, 128127), (7560, 85418), (15120, 42709)]