13447980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:856

約数の個数: 144

約数和(自身を含む): 50266944

約数和(自身を除く): 36818964

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, 821, 910, 1092, 1170, 1260, 1365, 1638, 1642, 1820, 2340, 2463, 2730, 3276, 3284, 4095, 4105, 4926, 5460, 5747, 7389, 8190, 8210, 9852, 10673, 11494, 12315, 14778, 16380, 16420, 17241, 21346, 22988, 24630, 28735, 29556, 32019, 34482, 36945, 42692, 49260, 51723, 53365, 57470, 64038, 68964, 73890, 74711, 86205, 96057, 103446, 106730, 114940, 128076, 147780, 149422, 160095, 172410, 192114, 206892, 213460, 224133, 258615, 298844, 320190, 344820, 373555, 384228, 448266, 480285, 517230, 640380, 672399, 747110, 896532, 960570, 1034460, 1120665, 1344798, 1494220, 1921140, 2241330, 2689596, 3361995, 4482660, 6723990, 13447980]

約数ペア:

[(1, 13447980), (2, 6723990), (3, 4482660), (4, 3361995), (5, 2689596), (6, 2241330), (7, 1921140), (9, 1494220), (10, 1344798), (12, 1120665), (13, 1034460), (14, 960570), (15, 896532), (18, 747110), (20, 672399), (21, 640380), (26, 517230), (28, 480285), (30, 448266), (35, 384228), (36, 373555), (39, 344820), (42, 320190), (45, 298844), (52, 258615), (60, 224133), (63, 213460), (65, 206892), (70, 192114), (78, 172410), (84, 160095), (90, 149422), (91, 147780), (105, 128076), (117, 114940), (126, 106730), (130, 103446), (140, 96057), (156, 86205), (180, 74711), (182, 73890), (195, 68964), (210, 64038), (234, 57470), (252, 53365), (260, 51723), (273, 49260), (315, 42692), (364, 36945), (390, 34482), (420, 32019), (455, 29556), (468, 28735), (546, 24630), (585, 22988), (630, 21346), (780, 17241), (819, 16420), (821, 16380), (910, 14778), (1092, 12315), (1170, 11494), (1260, 10673), (1365, 9852), (1638, 8210), (1642, 8190), (1820, 7389), (2340, 5747), (2463, 5460), (2730, 4926), (3276, 4105), (3284, 4095)]