217575540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:431

約数の個数: 288

約数和(自身を含む): 836559360

約数和(自身を除く): 618983820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 37, 39, 42, 45, 52, 60, 63, 65, 70, 74, 78, 84, 90, 91, 105, 111, 117, 126, 130, 140, 148, 156, 180, 182, 185, 195, 210, 222, 234, 252, 259, 260, 273, 315, 333, 359, 364, 370, 390, 420, 444, 455, 468, 481, 518, 546, 555, 585, 630, 666, 718, 740, 777, 780, 819, 910, 962, 1036, 1077, 1092, 1110, 1170, 1260, 1295, 1332, 1365, 1436, 1443, 1554, 1638, 1665, 1795, 1820, 1924, 2154, 2220, 2331, 2340, 2405, 2513, 2590, 2730, 2886, 3108, 3231, 3276, 3330, 3367, 3590, 3885, 4095, 4308, 4329, 4662, 4667, 4810, 5026, 5180, 5385, 5460, 5772, 6462, 6660, 6734, 7180, 7215, 7539, 7770, 8190, 8658, 9324, 9334, 9620, 10052, 10101, 10770, 11655, 12565, 12924, 13283, 13468, 14001, 14430, 15078, 15540, 16155, 16380, 16835, 17316, 18668, 20202, 21540, 21645, 22617, 23310, 23335, 25130, 26566, 28002, 28860, 30156, 30303, 32310, 32669, 33670, 37695, 39849, 40404, 42003, 43290, 45234, 46620, 46670, 50260, 50505, 53132, 56004, 60606, 64620, 65338, 66415, 67340, 70005, 75390, 79698, 84006, 86580, 90468, 92981, 93340, 98007, 101010, 113085, 119547, 121212, 130676, 132830, 140010, 150780, 151515, 159396, 163345, 168012, 172679, 185962, 196014, 199245, 202020, 210015, 226170, 239094, 265660, 278943, 280020, 294021, 303030, 326690, 345358, 371924, 392028, 398490, 420030, 452340, 464905, 478188, 490035, 518037, 557886, 588042, 597735, 606060, 653380, 690716, 796980, 836829, 840060, 863395, 929810, 980070, 1036074, 1115772, 1176084, 1195470, 1208753, 1394715, 1470105, 1554111, 1673658, 1726790, 1859620, 1960140, 2072148, 2390940, 2417506, 2590185, 2789430, 2940210, 3108222, 3347316, 3453580, 3626259, 4184145, 4835012, 5180370, 5578860, 5880420, 6043765, 6216444, 7252518, 7770555, 8368290, 10360740, 10878777, 12087530, 14505036, 15541110, 16736580, 18131295, 21757554, 24175060, 31082220, 36262590, 43515108, 54393885, 72525180, 108787770, 217575540]

約数ペア:

[(1, 217575540), (2, 108787770), (3, 72525180), (4, 54393885), (5, 43515108), (6, 36262590), (7, 31082220), (9, 24175060), (10, 21757554), (12, 18131295), (13, 16736580), (14, 15541110), (15, 14505036), (18, 12087530), (20, 10878777), (21, 10360740), (26, 8368290), (28, 7770555), (30, 7252518), (35, 6216444), (36, 6043765), (37, 5880420), (39, 5578860), (42, 5180370), (45, 4835012), (52, 4184145), (60, 3626259), (63, 3453580), (65, 3347316), (70, 3108222), (74, 2940210), (78, 2789430), (84, 2590185), (90, 2417506), (91, 2390940), (105, 2072148), (111, 1960140), (117, 1859620), (126, 1726790), (130, 1673658), (140, 1554111), (148, 1470105), (156, 1394715), (180, 1208753), (182, 1195470), (185, 1176084), (195, 1115772), (210, 1036074), (222, 980070), (234, 929810), (252, 863395), (259, 840060), (260, 836829), (273, 796980), (315, 690716), (333, 653380), (359, 606060), (364, 597735), (370, 588042), (390, 557886), (420, 518037), (444, 490035), (455, 478188), (468, 464905), (481, 452340), (518, 420030), (546, 398490), (555, 392028), (585, 371924), (630, 345358), (666, 326690), (718, 303030), (740, 294021), (777, 280020), (780, 278943), (819, 265660), (910, 239094), (962, 226170), (1036, 210015), (1077, 202020), (1092, 199245), (1110, 196014), (1170, 185962), (1260, 172679), (1295, 168012), (1332, 163345), (1365, 159396), (1436, 151515), (1443, 150780), (1554, 140010), (1638, 132830), (1665, 130676), (1795, 121212), (1820, 119547), (1924, 113085), (2154, 101010), (2220, 98007), (2331, 93340), (2340, 92981), (2405, 90468), (2513, 86580), (2590, 84006), (2730, 79698), (2886, 75390), (3108, 70005), (3231, 67340), (3276, 66415), (3330, 65338), (3367, 64620), (3590, 60606), (3885, 56004), (4095, 53132), (4308, 50505), (4329, 50260), (4662, 46670), (4667, 46620), (4810, 45234), (5026, 43290), (5180, 42003), (5385, 40404), (5460, 39849), (5772, 37695), (6462, 33670), (6660, 32669), (6734, 32310), (7180, 30303), (7215, 30156), (7539, 28860), (7770, 28002), (8190, 26566), (8658, 25130), (9324, 23335), (9334, 23310), (9620, 22617), (10052, 21645), (10101, 21540), (10770, 20202), (11655, 18668), (12565, 17316), (12924, 16835), (13283, 16380), (13468, 16155), (14001, 15540), (14430, 15078)]