681702840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20809}}^1$

素因数の和:20846

約数の個数: 192

約数和(自身を含む): 2726942400

約数和(自身を除く): 2045239560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 360, 364, 390, 420, 455, 468, 504, 520, 546, 585, 630, 728, 780, 819, 840, 910, 936, 1092, 1170, 1260, 1365, 1560, 1638, 1820, 2184, 2340, 2520, 2730, 3276, 3640, 4095, 4680, 5460, 6552, 8190, 10920, 16380, 20809, 32760, 41618, 62427, 83236, 104045, 124854, 145663, 166472, 187281, 208090, 249708, 270517, 291326, 312135, 374562, 416180, 436989, 499416, 541034, 582652, 624270, 728315, 749124, 811551, 832360, 873978, 936405, 1082068, 1165304, 1248540, 1310967, 1352585, 1456630, 1498248, 1623102, 1747956, 1872810, 1893619, 2164136, 2184945, 2434653, 2497080, 2621934, 2705170, 2913260, 3246204, 3495912, 3745620, 3787238, 4057755, 4369890, 4869306, 5243868, 5410340, 5680857, 5826520, 6492408, 6554835, 7491240, 7574476, 8115510, 8739780, 9468095, 9738612, 10487736, 10820680, 11361714, 12173265, 13109670, 15148952, 16231020, 17042571, 17479560, 18936190, 19477224, 22723428, 24346530, 26219340, 28404285, 32462040, 34085142, 37872380, 45446856, 48693060, 52438680, 56808570, 68170284, 75744760, 85212855, 97386120, 113617140, 136340568, 170425710, 227234280, 340851420, 681702840]

約数ペア:

[(1, 681702840), (2, 340851420), (3, 227234280), (4, 170425710), (5, 136340568), (6, 113617140), (7, 97386120), (8, 85212855), (9, 75744760), (10, 68170284), (12, 56808570), (13, 52438680), (14, 48693060), (15, 45446856), (18, 37872380), (20, 34085142), (21, 32462040), (24, 28404285), (26, 26219340), (28, 24346530), (30, 22723428), (35, 19477224), (36, 18936190), (39, 17479560), (40, 17042571), (42, 16231020), (45, 15148952), (52, 13109670), (56, 12173265), (60, 11361714), (63, 10820680), (65, 10487736), (70, 9738612), (72, 9468095), (78, 8739780), (84, 8115510), (90, 7574476), (91, 7491240), (104, 6554835), (105, 6492408), (117, 5826520), (120, 5680857), (126, 5410340), (130, 5243868), (140, 4869306), (156, 4369890), (168, 4057755), (180, 3787238), (182, 3745620), (195, 3495912), (210, 3246204), (234, 2913260), (252, 2705170), (260, 2621934), (273, 2497080), (280, 2434653), (312, 2184945), (315, 2164136), (360, 1893619), (364, 1872810), (390, 1747956), (420, 1623102), (455, 1498248), (468, 1456630), (504, 1352585), (520, 1310967), (546, 1248540), (585, 1165304), (630, 1082068), (728, 936405), (780, 873978), (819, 832360), (840, 811551), (910, 749124), (936, 728315), (1092, 624270), (1170, 582652), (1260, 541034), (1365, 499416), (1560, 436989), (1638, 416180), (1820, 374562), (2184, 312135), (2340, 291326), (2520, 270517), (2730, 249708), (3276, 208090), (3640, 187281), (4095, 166472), (4680, 145663), (5460, 124854), (6552, 104045), (8190, 83236), (10920, 62427), (16380, 41618), (20809, 32760)]