1785420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 6726720

約数和(自身を除く): 4941300

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, 109, 117, 126, 130, 140, 156, 180, 182, 195, 210, 218, 234, 252, 260, 273, 315, 327, 364, 390, 420, 436, 455, 468, 545, 546, 585, 630, 654, 763, 780, 819, 910, 981, 1090, 1092, 1170, 1260, 1308, 1365, 1417, 1526, 1635, 1638, 1820, 1962, 2180, 2289, 2340, 2730, 2834, 3052, 3270, 3276, 3815, 3924, 4095, 4251, 4578, 4905, 5460, 5668, 6540, 6867, 7085, 7630, 8190, 8502, 9156, 9810, 9919, 11445, 12753, 13734, 14170, 15260, 16380, 17004, 19620, 19838, 21255, 22890, 25506, 27468, 28340, 29757, 34335, 39676, 42510, 45780, 49595, 51012, 59514, 63765, 68670, 85020, 89271, 99190, 119028, 127530, 137340, 148785, 178542, 198380, 255060, 297570, 357084, 446355, 595140, 892710, 1785420]

約数ペア:

[(1, 1785420), (2, 892710), (3, 595140), (4, 446355), (5, 357084), (6, 297570), (7, 255060), (9, 198380), (10, 178542), (12, 148785), (13, 137340), (14, 127530), (15, 119028), (18, 99190), (20, 89271), (21, 85020), (26, 68670), (28, 63765), (30, 59514), (35, 51012), (36, 49595), (39, 45780), (42, 42510), (45, 39676), (52, 34335), (60, 29757), (63, 28340), (65, 27468), (70, 25506), (78, 22890), (84, 21255), (90, 19838), (91, 19620), (105, 17004), (109, 16380), (117, 15260), (126, 14170), (130, 13734), (140, 12753), (156, 11445), (180, 9919), (182, 9810), (195, 9156), (210, 8502), (218, 8190), (234, 7630), (252, 7085), (260, 6867), (273, 6540), (315, 5668), (327, 5460), (364, 4905), (390, 4578), (420, 4251), (436, 4095), (455, 3924), (468, 3815), (545, 3276), (546, 3270), (585, 3052), (630, 2834), (654, 2730), (763, 2340), (780, 2289), (819, 2180), (910, 1962), (981, 1820), (1090, 1638), (1092, 1635), (1170, 1526), (1260, 1417), (1308, 1365)]