1278906480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{787}}^1$

素因数の和:904

約数の個数: 240

約数和(自身を含む): 4489084704

約数和(自身を除く): 3210178224

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 61, 72, 74, 80, 90, 111, 120, 122, 144, 148, 180, 183, 185, 222, 240, 244, 296, 305, 333, 360, 366, 370, 444, 488, 549, 555, 592, 610, 666, 720, 732, 740, 787, 888, 915, 976, 1098, 1110, 1220, 1332, 1464, 1480, 1574, 1665, 1776, 1830, 2196, 2220, 2257, 2361, 2440, 2664, 2745, 2928, 2960, 3148, 3330, 3660, 3935, 4392, 4440, 4514, 4722, 4880, 5328, 5490, 6296, 6660, 6771, 7083, 7320, 7870, 8784, 8880, 9028, 9444, 10980, 11285, 11805, 12592, 13320, 13542, 14166, 14640, 15740, 18056, 18888, 20313, 21960, 22570, 23610, 26640, 27084, 28332, 29119, 31480, 33855, 35415, 36112, 37776, 40626, 43920, 45140, 47220, 48007, 54168, 56664, 58238, 62960, 67710, 70830, 81252, 87357, 90280, 94440, 96014, 101565, 108336, 113328, 116476, 135420, 141660, 144021, 145595, 162504, 174714, 180560, 188880, 192028, 203130, 232952, 240035, 262071, 270840, 283320, 288042, 291190, 325008, 349428, 384056, 406260, 432063, 436785, 465904, 480070, 524142, 541680, 566640, 576084, 582380, 698856, 720105, 768112, 812520, 864126, 873570, 960140, 1048284, 1152168, 1164760, 1310355, 1397712, 1440210, 1625040, 1728252, 1747140, 1776259, 1920280, 2096568, 2160315, 2304336, 2329520, 2620710, 2880420, 3456504, 3494280, 3552518, 3840560, 4193136, 4320630, 5241420, 5328777, 5760840, 6913008, 6988560, 7105036, 8641260, 8881295, 10482840, 10657554, 11521680, 14210072, 15986331, 17282520, 17762590, 20965680, 21315108, 26643885, 28420144, 31972662, 34565040, 35525180, 42630216, 53287770, 63945324, 71050360, 79931655, 85260432, 106575540, 127890648, 142100720, 159863310, 213151080, 255781296, 319726620, 426302160, 639453240, 1278906480]

約数ペア:

[(1, 1278906480), (2, 639453240), (3, 426302160), (4, 319726620), (5, 255781296), (6, 213151080), (8, 159863310), (9, 142100720), (10, 127890648), (12, 106575540), (15, 85260432), (16, 79931655), (18, 71050360), (20, 63945324), (24, 53287770), (30, 42630216), (36, 35525180), (37, 34565040), (40, 31972662), (45, 28420144), (48, 26643885), (60, 21315108), (61, 20965680), (72, 17762590), (74, 17282520), (80, 15986331), (90, 14210072), (111, 11521680), (120, 10657554), (122, 10482840), (144, 8881295), (148, 8641260), (180, 7105036), (183, 6988560), (185, 6913008), (222, 5760840), (240, 5328777), (244, 5241420), (296, 4320630), (305, 4193136), (333, 3840560), (360, 3552518), (366, 3494280), (370, 3456504), (444, 2880420), (488, 2620710), (549, 2329520), (555, 2304336), (592, 2160315), (610, 2096568), (666, 1920280), (720, 1776259), (732, 1747140), (740, 1728252), (787, 1625040), (888, 1440210), (915, 1397712), (976, 1310355), (1098, 1164760), (1110, 1152168), (1220, 1048284), (1332, 960140), (1464, 873570), (1480, 864126), (1574, 812520), (1665, 768112), (1776, 720105), (1830, 698856), (2196, 582380), (2220, 576084), (2257, 566640), (2361, 541680), (2440, 524142), (2664, 480070), (2745, 465904), (2928, 436785), (2960, 432063), (3148, 406260), (3330, 384056), (3660, 349428), (3935, 325008), (4392, 291190), (4440, 288042), (4514, 283320), (4722, 270840), (4880, 262071), (5328, 240035), (5490, 232952), (6296, 203130), (6660, 192028), (6771, 188880), (7083, 180560), (7320, 174714), (7870, 162504), (8784, 145595), (8880, 144021), (9028, 141660), (9444, 135420), (10980, 116476), (11285, 113328), (11805, 108336), (12592, 101565), (13320, 96014), (13542, 94440), (14166, 90280), (14640, 87357), (15740, 81252), (18056, 70830), (18888, 67710), (20313, 62960), (21960, 58238), (22570, 56664), (23610, 54168), (26640, 48007), (27084, 47220), (28332, 45140), (29119, 43920), (31480, 40626), (33855, 37776), (35415, 36112)]