1968412920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{787}}^1\times {\mathrm{1097}}^1$

素因数の和:1917

約数の個数: 128

約数和(自身を含む): 6229612800

約数和(自身を除く): 4261199880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 787, 1097, 1140, 1574, 2194, 2280, 2361, 3148, 3291, 3935, 4388, 4722, 5485, 6296, 6582, 7870, 8776, 9444, 10970, 11805, 13164, 14953, 15740, 16455, 18888, 20843, 21940, 23610, 26328, 29906, 31480, 32910, 41686, 43880, 44859, 47220, 59812, 62529, 65820, 74765, 83372, 89718, 94440, 104215, 119624, 125058, 131640, 149530, 166744, 179436, 208430, 224295, 250116, 299060, 312645, 358872, 416860, 448590, 500232, 598120, 625290, 833720, 863339, 897180, 1250580, 1726678, 1794360, 2501160, 2590017, 3453356, 4316695, 5180034, 6906712, 8633390, 10360068, 12950085, 16403441, 17266780, 20720136, 25900170, 32806882, 34533560, 49210323, 51800340, 65613764, 82017205, 98420646, 103600680, 131227528, 164034410, 196841292, 246051615, 328068820, 393682584, 492103230, 656137640, 984206460, 1968412920]

約数ペア:

[(1, 1968412920), (2, 984206460), (3, 656137640), (4, 492103230), (5, 393682584), (6, 328068820), (8, 246051615), (10, 196841292), (12, 164034410), (15, 131227528), (19, 103600680), (20, 98420646), (24, 82017205), (30, 65613764), (38, 51800340), (40, 49210323), (57, 34533560), (60, 32806882), (76, 25900170), (95, 20720136), (114, 17266780), (120, 16403441), (152, 12950085), (190, 10360068), (228, 8633390), (285, 6906712), (380, 5180034), (456, 4316695), (570, 3453356), (760, 2590017), (787, 2501160), (1097, 1794360), (1140, 1726678), (1574, 1250580), (2194, 897180), (2280, 863339), (2361, 833720), (3148, 625290), (3291, 598120), (3935, 500232), (4388, 448590), (4722, 416860), (5485, 358872), (6296, 312645), (6582, 299060), (7870, 250116), (8776, 224295), (9444, 208430), (10970, 179436), (11805, 166744), (13164, 149530), (14953, 131640), (15740, 125058), (16455, 119624), (18888, 104215), (20843, 94440), (21940, 89718), (23610, 83372), (26328, 74765), (29906, 65820), (31480, 62529), (32910, 59812), (41686, 47220), (43880, 44859)]