138530280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:236

約数の個数: 256

約数和(自身を含む): 513216000

約数和(自身を除く): 374685720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 89, 102, 105, 109, 119, 120, 136, 140, 168, 170, 178, 204, 210, 218, 238, 255, 267, 280, 327, 340, 356, 357, 408, 420, 436, 445, 476, 510, 534, 545, 595, 623, 654, 680, 712, 714, 763, 840, 872, 890, 952, 1020, 1068, 1090, 1190, 1246, 1308, 1335, 1428, 1513, 1526, 1635, 1780, 1785, 1853, 1869, 2040, 2136, 2180, 2289, 2380, 2492, 2616, 2670, 2856, 3026, 3052, 3115, 3270, 3560, 3570, 3706, 3738, 3815, 4360, 4539, 4578, 4760, 4984, 5340, 5559, 6052, 6104, 6230, 6540, 7140, 7412, 7476, 7565, 7630, 9078, 9156, 9265, 9345, 9701, 10591, 10680, 11118, 11445, 12104, 12460, 12971, 13080, 14280, 14824, 14952, 15130, 15260, 18156, 18312, 18530, 18690, 19402, 21182, 22236, 22695, 22890, 24920, 25942, 27795, 29103, 30260, 30520, 31773, 36312, 37060, 37380, 38804, 38913, 42364, 44472, 45390, 45780, 48505, 51884, 52955, 55590, 58206, 60520, 63546, 64855, 67907, 74120, 74760, 77608, 77826, 84728, 90780, 91560, 97010, 103768, 105910, 111180, 116412, 127092, 129710, 135814, 145515, 155652, 158865, 164917, 181560, 194020, 194565, 203721, 211820, 222360, 232824, 254184, 259420, 271628, 291030, 311304, 317730, 329834, 339535, 388040, 389130, 407442, 423640, 494751, 518840, 543256, 582060, 635460, 659668, 679070, 778260, 814884, 824585, 989502, 1018605, 1154419, 1164120, 1270920, 1319336, 1358140, 1556520, 1629768, 1649170, 1979004, 2037210, 2308838, 2473755, 2716280, 3298340, 3463257, 3958008, 4074420, 4617676, 4947510, 5772095, 6596680, 6926514, 8148840, 9235352, 9895020, 11544190, 13853028, 17316285, 19790040, 23088380, 27706056, 34632570, 46176760, 69265140, 138530280]

約数ペア:

[(1, 138530280), (2, 69265140), (3, 46176760), (4, 34632570), (5, 27706056), (6, 23088380), (7, 19790040), (8, 17316285), (10, 13853028), (12, 11544190), (14, 9895020), (15, 9235352), (17, 8148840), (20, 6926514), (21, 6596680), (24, 5772095), (28, 4947510), (30, 4617676), (34, 4074420), (35, 3958008), (40, 3463257), (42, 3298340), (51, 2716280), (56, 2473755), (60, 2308838), (68, 2037210), (70, 1979004), (84, 1649170), (85, 1629768), (89, 1556520), (102, 1358140), (105, 1319336), (109, 1270920), (119, 1164120), (120, 1154419), (136, 1018605), (140, 989502), (168, 824585), (170, 814884), (178, 778260), (204, 679070), (210, 659668), (218, 635460), (238, 582060), (255, 543256), (267, 518840), (280, 494751), (327, 423640), (340, 407442), (356, 389130), (357, 388040), (408, 339535), (420, 329834), (436, 317730), (445, 311304), (476, 291030), (510, 271628), (534, 259420), (545, 254184), (595, 232824), (623, 222360), (654, 211820), (680, 203721), (712, 194565), (714, 194020), (763, 181560), (840, 164917), (872, 158865), (890, 155652), (952, 145515), (1020, 135814), (1068, 129710), (1090, 127092), (1190, 116412), (1246, 111180), (1308, 105910), (1335, 103768), (1428, 97010), (1513, 91560), (1526, 90780), (1635, 84728), (1780, 77826), (1785, 77608), (1853, 74760), (1869, 74120), (2040, 67907), (2136, 64855), (2180, 63546), (2289, 60520), (2380, 58206), (2492, 55590), (2616, 52955), (2670, 51884), (2856, 48505), (3026, 45780), (3052, 45390), (3115, 44472), (3270, 42364), (3560, 38913), (3570, 38804), (3706, 37380), (3738, 37060), (3815, 36312), (4360, 31773), (4539, 30520), (4578, 30260), (4760, 29103), (4984, 27795), (5340, 25942), (5559, 24920), (6052, 22890), (6104, 22695), (6230, 22236), (6540, 21182), (7140, 19402), (7412, 18690), (7476, 18530), (7565, 18312), (7630, 18156), (9078, 15260), (9156, 15130), (9265, 14952), (9345, 14824), (9701, 14280), (10591, 13080), (10680, 12971), (11118, 12460), (11445, 12104)]