2247840

素因数分解:

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

素因数の和:251

約数の個数: 144

約数和(自身を含む): 8805888

約数和(自身を除く): 6558048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 223, 224, 240, 252, 280, 288, 315, 336, 360, 420, 446, 480, 504, 560, 630, 669, 672, 720, 840, 892, 1008, 1115, 1120, 1260, 1338, 1440, 1561, 1680, 1784, 2007, 2016, 2230, 2520, 2676, 3122, 3345, 3360, 3568, 4014, 4460, 4683, 5040, 5352, 6244, 6690, 7136, 7805, 8028, 8920, 9366, 10035, 10080, 10704, 12488, 13380, 14049, 15610, 16056, 17840, 18732, 20070, 21408, 23415, 24976, 26760, 28098, 31220, 32112, 35680, 37464, 40140, 46830, 49952, 53520, 56196, 62440, 64224, 70245, 74928, 80280, 93660, 107040, 112392, 124880, 140490, 149856, 160560, 187320, 224784, 249760, 280980, 321120, 374640, 449568, 561960, 749280, 1123920, 2247840]

約数ペア:

[(1, 2247840), (2, 1123920), (3, 749280), (4, 561960), (5, 449568), (6, 374640), (7, 321120), (8, 280980), (9, 249760), (10, 224784), (12, 187320), (14, 160560), (15, 149856), (16, 140490), (18, 124880), (20, 112392), (21, 107040), (24, 93660), (28, 80280), (30, 74928), (32, 70245), (35, 64224), (36, 62440), (40, 56196), (42, 53520), (45, 49952), (48, 46830), (56, 40140), (60, 37464), (63, 35680), (70, 32112), (72, 31220), (80, 28098), (84, 26760), (90, 24976), (96, 23415), (105, 21408), (112, 20070), (120, 18732), (126, 17840), (140, 16056), (144, 15610), (160, 14049), (168, 13380), (180, 12488), (210, 10704), (223, 10080), (224, 10035), (240, 9366), (252, 8920), (280, 8028), (288, 7805), (315, 7136), (336, 6690), (360, 6244), (420, 5352), (446, 5040), (480, 4683), (504, 4460), (560, 4014), (630, 3568), (669, 3360), (672, 3345), (720, 3122), (840, 2676), (892, 2520), (1008, 2230), (1115, 2016), (1120, 2007), (1260, 1784), (1338, 1680), (1440, 1561)]