1285746840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{510217}}^1$

素因数の和:510241

約数の個数: 96

約数和(自身を含む): 4775640480

約数和(自身を除く): 3489893640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 510217, 1020434, 1530651, 2040868, 2551085, 3061302, 3571519, 4081736, 4591953, 5102170, 6122604, 7143038, 7653255, 9183906, 10204340, 10714557, 12245208, 14286076, 15306510, 17857595, 18367812, 20408680, 21429114, 22959765, 28572152, 30613020, 32143671, 35715190, 36735624, 42858228, 45919530, 53572785, 61226040, 64287342, 71430380, 85716456, 91839060, 107145570, 128574684, 142860760, 160718355, 183678120, 214291140, 257149368, 321436710, 428582280, 642873420, 1285746840]

約数ペア:

[(1, 1285746840), (2, 642873420), (3, 428582280), (4, 321436710), (5, 257149368), (6, 214291140), (7, 183678120), (8, 160718355), (9, 142860760), (10, 128574684), (12, 107145570), (14, 91839060), (15, 85716456), (18, 71430380), (20, 64287342), (21, 61226040), (24, 53572785), (28, 45919530), (30, 42858228), (35, 36735624), (36, 35715190), (40, 32143671), (42, 30613020), (45, 28572152), (56, 22959765), (60, 21429114), (63, 20408680), (70, 18367812), (72, 17857595), (84, 15306510), (90, 14286076), (105, 12245208), (120, 10714557), (126, 10204340), (140, 9183906), (168, 7653255), (180, 7143038), (210, 6122604), (252, 5102170), (280, 4591953), (315, 4081736), (360, 3571519), (420, 3061302), (504, 2551085), (630, 2040868), (840, 1530651), (1260, 1020434), (2520, 510217)]