210007980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12821}}^1$

素因数の和:12856

約数の個数: 144

約数和(自身を含む): 784090944

約数和(自身を除く): 574082964

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 12821, 16380, 25642, 38463, 51284, 64105, 76926, 89747, 115389, 128210, 153852, 166673, 179494, 192315, 230778, 256420, 269241, 333346, 358988, 384630, 448735, 461556, 500019, 538482, 576945, 666692, 769260, 807723, 833365, 897470, 1000038, 1076964, 1153890, 1166711, 1346205, 1500057, 1615446, 1666730, 1794940, 2000076, 2307780, 2333422, 2500095, 2692410, 3000114, 3230892, 3333460, 3500133, 4038615, 4666844, 5000190, 5384820, 5833555, 6000228, 7000266, 7500285, 8077230, 10000380, 10500399, 11667110, 14000532, 15000570, 16154460, 17500665, 21000798, 23334220, 30001140, 35001330, 42001596, 52501995, 70002660, 105003990, 210007980]

約数ペア:

[(1, 210007980), (2, 105003990), (3, 70002660), (4, 52501995), (5, 42001596), (6, 35001330), (7, 30001140), (9, 23334220), (10, 21000798), (12, 17500665), (13, 16154460), (14, 15000570), (15, 14000532), (18, 11667110), (20, 10500399), (21, 10000380), (26, 8077230), (28, 7500285), (30, 7000266), (35, 6000228), (36, 5833555), (39, 5384820), (42, 5000190), (45, 4666844), (52, 4038615), (60, 3500133), (63, 3333460), (65, 3230892), (70, 3000114), (78, 2692410), (84, 2500095), (90, 2333422), (91, 2307780), (105, 2000076), (117, 1794940), (126, 1666730), (130, 1615446), (140, 1500057), (156, 1346205), (180, 1166711), (182, 1153890), (195, 1076964), (210, 1000038), (234, 897470), (252, 833365), (260, 807723), (273, 769260), (315, 666692), (364, 576945), (390, 538482), (420, 500019), (455, 461556), (468, 448735), (546, 384630), (585, 358988), (630, 333346), (780, 269241), (819, 256420), (910, 230778), (1092, 192315), (1170, 179494), (1260, 166673), (1365, 153852), (1638, 128210), (1820, 115389), (2340, 89747), (2730, 76926), (3276, 64105), (4095, 51284), (5460, 38463), (8190, 25642), (12821, 16380)]