206807520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:257

約数の個数: 192

約数和(自身を含む): 679311360

約数和(自身を除く): 472503840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 80, 89, 94, 96, 103, 120, 141, 160, 178, 188, 206, 235, 240, 267, 282, 309, 356, 376, 412, 445, 470, 480, 515, 534, 564, 618, 705, 712, 752, 824, 890, 940, 1030, 1068, 1128, 1236, 1335, 1410, 1424, 1504, 1545, 1648, 1780, 1880, 2060, 2136, 2256, 2472, 2670, 2820, 2848, 3090, 3296, 3560, 3760, 4120, 4183, 4272, 4512, 4841, 4944, 5340, 5640, 6180, 7120, 7520, 8240, 8366, 8544, 9167, 9682, 9888, 10680, 11280, 12360, 12549, 14240, 14523, 16480, 16732, 18334, 19364, 20915, 21360, 22560, 24205, 24720, 25098, 27501, 29046, 33464, 36668, 38728, 41830, 42720, 45835, 48410, 49440, 50196, 55002, 58092, 62745, 66928, 72615, 73336, 77456, 83660, 91670, 96820, 100392, 110004, 116184, 125490, 133856, 137505, 145230, 146672, 154912, 167320, 183340, 193640, 200784, 220008, 232368, 250980, 275010, 290460, 293344, 334640, 366680, 387280, 401568, 430849, 440016, 464736, 501960, 550020, 580920, 669280, 733360, 774560, 861698, 880032, 1003920, 1100040, 1161840, 1292547, 1466720, 1723396, 2007840, 2154245, 2200080, 2323680, 2585094, 3446792, 4308490, 4400160, 5170188, 6462735, 6893584, 8616980, 10340376, 12925470, 13787168, 17233960, 20680752, 25850940, 34467920, 41361504, 51701880, 68935840, 103403760, 206807520]

約数ペア:

[(1, 206807520), (2, 103403760), (3, 68935840), (4, 51701880), (5, 41361504), (6, 34467920), (8, 25850940), (10, 20680752), (12, 17233960), (15, 13787168), (16, 12925470), (20, 10340376), (24, 8616980), (30, 6893584), (32, 6462735), (40, 5170188), (47, 4400160), (48, 4308490), (60, 3446792), (80, 2585094), (89, 2323680), (94, 2200080), (96, 2154245), (103, 2007840), (120, 1723396), (141, 1466720), (160, 1292547), (178, 1161840), (188, 1100040), (206, 1003920), (235, 880032), (240, 861698), (267, 774560), (282, 733360), (309, 669280), (356, 580920), (376, 550020), (412, 501960), (445, 464736), (470, 440016), (480, 430849), (515, 401568), (534, 387280), (564, 366680), (618, 334640), (705, 293344), (712, 290460), (752, 275010), (824, 250980), (890, 232368), (940, 220008), (1030, 200784), (1068, 193640), (1128, 183340), (1236, 167320), (1335, 154912), (1410, 146672), (1424, 145230), (1504, 137505), (1545, 133856), (1648, 125490), (1780, 116184), (1880, 110004), (2060, 100392), (2136, 96820), (2256, 91670), (2472, 83660), (2670, 77456), (2820, 73336), (2848, 72615), (3090, 66928), (3296, 62745), (3560, 58092), (3760, 55002), (4120, 50196), (4183, 49440), (4272, 48410), (4512, 45835), (4841, 42720), (4944, 41830), (5340, 38728), (5640, 36668), (6180, 33464), (7120, 29046), (7520, 27501), (8240, 25098), (8366, 24720), (8544, 24205), (9167, 22560), (9682, 21360), (9888, 20915), (10680, 19364), (11280, 18334), (12360, 16732), (12549, 16480), (14240, 14523)]