247232520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:349

約数の個数: 256

約数和(自身を含む): 886464000

約数和(自身を除く): 639231480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 37, 40, 45, 46, 54, 60, 69, 72, 74, 90, 92, 108, 111, 115, 120, 135, 138, 148, 180, 184, 185, 207, 216, 222, 230, 269, 270, 276, 296, 333, 345, 360, 370, 414, 444, 460, 538, 540, 552, 555, 621, 666, 690, 740, 807, 828, 851, 888, 920, 999, 1035, 1076, 1080, 1110, 1242, 1332, 1345, 1380, 1480, 1614, 1656, 1665, 1702, 1998, 2070, 2152, 2220, 2421, 2484, 2553, 2664, 2690, 2760, 3105, 3228, 3330, 3404, 3996, 4035, 4140, 4255, 4440, 4842, 4968, 4995, 5106, 5380, 6187, 6210, 6456, 6660, 6808, 7263, 7659, 7992, 8070, 8280, 8510, 9684, 9953, 9990, 10212, 10760, 12105, 12374, 12420, 12765, 13320, 14526, 15318, 16140, 17020, 18561, 19368, 19906, 19980, 20424, 22977, 24210, 24748, 24840, 25530, 29052, 29859, 30636, 30935, 32280, 34040, 36315, 37122, 38295, 39812, 39960, 45954, 48420, 49496, 49765, 51060, 55683, 58104, 59718, 61272, 61870, 72630, 74244, 76590, 79624, 89577, 91908, 92805, 96840, 99530, 102120, 111366, 114885, 119436, 123740, 145260, 148488, 149295, 153180, 167049, 179154, 183816, 185610, 199060, 222732, 228919, 229770, 238872, 247480, 268731, 278415, 290520, 298590, 306360, 334098, 358308, 371220, 398120, 445464, 447885, 457838, 459540, 537462, 556830, 597180, 668196, 686757, 716616, 742440, 835245, 895770, 915676, 919080, 1074924, 1113660, 1144595, 1194360, 1336392, 1343655, 1373514, 1670490, 1791540, 1831352, 2060271, 2149848, 2227320, 2289190, 2687310, 2747028, 3340980, 3433785, 3583080, 4120542, 4578380, 5374620, 5494056, 6180813, 6681960, 6867570, 8241084, 9156760, 10301355, 10749240, 12361626, 13735140, 16482168, 20602710, 24723252, 27470280, 30904065, 41205420, 49446504, 61808130, 82410840, 123616260, 247232520]

約数ペア:

[(1, 247232520), (2, 123616260), (3, 82410840), (4, 61808130), (5, 49446504), (6, 41205420), (8, 30904065), (9, 27470280), (10, 24723252), (12, 20602710), (15, 16482168), (18, 13735140), (20, 12361626), (23, 10749240), (24, 10301355), (27, 9156760), (30, 8241084), (36, 6867570), (37, 6681960), (40, 6180813), (45, 5494056), (46, 5374620), (54, 4578380), (60, 4120542), (69, 3583080), (72, 3433785), (74, 3340980), (90, 2747028), (92, 2687310), (108, 2289190), (111, 2227320), (115, 2149848), (120, 2060271), (135, 1831352), (138, 1791540), (148, 1670490), (180, 1373514), (184, 1343655), (185, 1336392), (207, 1194360), (216, 1144595), (222, 1113660), (230, 1074924), (269, 919080), (270, 915676), (276, 895770), (296, 835245), (333, 742440), (345, 716616), (360, 686757), (370, 668196), (414, 597180), (444, 556830), (460, 537462), (538, 459540), (540, 457838), (552, 447885), (555, 445464), (621, 398120), (666, 371220), (690, 358308), (740, 334098), (807, 306360), (828, 298590), (851, 290520), (888, 278415), (920, 268731), (999, 247480), (1035, 238872), (1076, 229770), (1080, 228919), (1110, 222732), (1242, 199060), (1332, 185610), (1345, 183816), (1380, 179154), (1480, 167049), (1614, 153180), (1656, 149295), (1665, 148488), (1702, 145260), (1998, 123740), (2070, 119436), (2152, 114885), (2220, 111366), (2421, 102120), (2484, 99530), (2553, 96840), (2664, 92805), (2690, 91908), (2760, 89577), (3105, 79624), (3228, 76590), (3330, 74244), (3404, 72630), (3996, 61870), (4035, 61272), (4140, 59718), (4255, 58104), (4440, 55683), (4842, 51060), (4968, 49765), (4995, 49496), (5106, 48420), (5380, 45954), (6187, 39960), (6210, 39812), (6456, 38295), (6660, 37122), (6808, 36315), (7263, 34040), (7659, 32280), (7992, 30935), (8070, 30636), (8280, 29859), (8510, 29052), (9684, 25530), (9953, 24840), (9990, 24748), (10212, 24210), (10760, 22977), (12105, 20424), (12374, 19980), (12420, 19906), (12765, 19368), (13320, 18561), (14526, 17020), (15318, 16140)]