30345840

素因数分解:

$2^4\times 3^5\times 5^1\times 7^1\times {\mathrm{223}}^1$

素因数の和:258

約数の個数: 240

約数和(自身を含む): 121325568

約数和(自身を除く): 90979728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 210, 216, 223, 240, 243, 252, 270, 280, 315, 324, 336, 360, 378, 405, 420, 432, 446, 486, 504, 540, 560, 567, 630, 648, 669, 720, 756, 810, 840, 892, 945, 972, 1008, 1080, 1115, 1134, 1215, 1260, 1296, 1338, 1512, 1561, 1620, 1680, 1701, 1784, 1890, 1944, 2007, 2160, 2230, 2268, 2430, 2520, 2676, 2835, 3024, 3122, 3240, 3345, 3402, 3568, 3780, 3888, 4014, 4460, 4536, 4683, 4860, 5040, 5352, 5670, 6021, 6244, 6480, 6690, 6804, 7560, 7805, 8028, 8505, 8920, 9072, 9366, 9720, 10035, 10704, 11340, 12042, 12488, 13380, 13608, 14049, 15120, 15610, 16056, 17010, 17840, 18063, 18732, 19440, 20070, 22680, 23415, 24084, 24976, 26760, 27216, 28098, 30105, 31220, 32112, 34020, 36126, 37464, 40140, 42147, 45360, 46830, 48168, 53520, 54189, 56196, 60210, 62440, 68040, 70245, 72252, 74928, 80280, 84294, 90315, 93660, 96336, 108378, 112392, 120420, 124880, 126441, 136080, 140490, 144504, 160560, 168588, 180630, 187320, 210735, 216756, 224784, 240840, 252882, 270945, 280980, 289008, 337176, 361260, 374640, 379323, 421470, 433512, 481680, 505764, 541890, 561960, 632205, 674352, 722520, 758646, 842940, 867024, 1011528, 1083780, 1123920, 1264410, 1445040, 1517292, 1685880, 1896615, 2023056, 2167560, 2528820, 3034584, 3371760, 3793230, 4335120, 5057640, 6069168, 7586460, 10115280, 15172920, 30345840]

約数ペア:

[(1, 30345840), (2, 15172920), (3, 10115280), (4, 7586460), (5, 6069168), (6, 5057640), (7, 4335120), (8, 3793230), (9, 3371760), (10, 3034584), (12, 2528820), (14, 2167560), (15, 2023056), (16, 1896615), (18, 1685880), (20, 1517292), (21, 1445040), (24, 1264410), (27, 1123920), (28, 1083780), (30, 1011528), (35, 867024), (36, 842940), (40, 758646), (42, 722520), (45, 674352), (48, 632205), (54, 561960), (56, 541890), (60, 505764), (63, 481680), (70, 433512), (72, 421470), (80, 379323), (81, 374640), (84, 361260), (90, 337176), (105, 289008), (108, 280980), (112, 270945), (120, 252882), (126, 240840), (135, 224784), (140, 216756), (144, 210735), (162, 187320), (168, 180630), (180, 168588), (189, 160560), (210, 144504), (216, 140490), (223, 136080), (240, 126441), (243, 124880), (252, 120420), (270, 112392), (280, 108378), (315, 96336), (324, 93660), (336, 90315), (360, 84294), (378, 80280), (405, 74928), (420, 72252), (432, 70245), (446, 68040), (486, 62440), (504, 60210), (540, 56196), (560, 54189), (567, 53520), (630, 48168), (648, 46830), (669, 45360), (720, 42147), (756, 40140), (810, 37464), (840, 36126), (892, 34020), (945, 32112), (972, 31220), (1008, 30105), (1080, 28098), (1115, 27216), (1134, 26760), (1215, 24976), (1260, 24084), (1296, 23415), (1338, 22680), (1512, 20070), (1561, 19440), (1620, 18732), (1680, 18063), (1701, 17840), (1784, 17010), (1890, 16056), (1944, 15610), (2007, 15120), (2160, 14049), (2230, 13608), (2268, 13380), (2430, 12488), (2520, 12042), (2676, 11340), (2835, 10704), (3024, 10035), (3122, 9720), (3240, 9366), (3345, 9072), (3402, 8920), (3568, 8505), (3780, 8028), (3888, 7805), (4014, 7560), (4460, 6804), (4536, 6690), (4683, 6480), (4860, 6244), (5040, 6021), (5352, 5670)]