1683990

素因数分解:

$2^1\times 3^7\times 5^1\times 7^1\times {\mathrm{11}}^1$

素因数の和:46

約数の個数: 128

約数和(自身を含む): 5667840

約数和(自身を除く): 3983850

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 27, 30, 33, 35, 42, 45, 54, 55, 63, 66, 70, 77, 81, 90, 99, 105, 110, 126, 135, 154, 162, 165, 189, 198, 210, 231, 243, 270, 297, 315, 330, 378, 385, 405, 462, 486, 495, 567, 594, 630, 693, 729, 770, 810, 891, 945, 990, 1134, 1155, 1215, 1386, 1458, 1485, 1701, 1782, 1890, 2079, 2187, 2310, 2430, 2673, 2835, 2970, 3402, 3465, 3645, 4158, 4374, 4455, 5103, 5346, 5670, 6237, 6930, 7290, 8019, 8505, 8910, 10206, 10395, 10935, 12474, 13365, 15309, 16038, 17010, 18711, 20790, 21870, 24057, 25515, 26730, 30618, 31185, 37422, 40095, 48114, 51030, 56133, 62370, 76545, 80190, 93555, 112266, 120285, 153090, 168399, 187110, 240570, 280665, 336798, 561330, 841995, 1683990]

約数ペア:

[(1, 1683990), (2, 841995), (3, 561330), (5, 336798), (6, 280665), (7, 240570), (9, 187110), (10, 168399), (11, 153090), (14, 120285), (15, 112266), (18, 93555), (21, 80190), (22, 76545), (27, 62370), (30, 56133), (33, 51030), (35, 48114), (42, 40095), (45, 37422), (54, 31185), (55, 30618), (63, 26730), (66, 25515), (70, 24057), (77, 21870), (81, 20790), (90, 18711), (99, 17010), (105, 16038), (110, 15309), (126, 13365), (135, 12474), (154, 10935), (162, 10395), (165, 10206), (189, 8910), (198, 8505), (210, 8019), (231, 7290), (243, 6930), (270, 6237), (297, 5670), (315, 5346), (330, 5103), (378, 4455), (385, 4374), (405, 4158), (462, 3645), (486, 3465), (495, 3402), (567, 2970), (594, 2835), (630, 2673), (693, 2430), (729, 2310), (770, 2187), (810, 2079), (891, 1890), (945, 1782), (990, 1701), (1134, 1485), (1155, 1458), (1215, 1386)]