666064980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{528623}}^1$

素因数の和:528645

約数の個数: 72

約数和(自身を含む): 2309029632

約数和(自身を除く): 1642964652

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 528623, 1057246, 1585869, 2114492, 2643115, 3171738, 3700361, 4757607, 5286230, 6343476, 7400722, 7929345, 9515214, 10572460, 11101083, 14801444, 15858690, 18501805, 19030428, 22202166, 23788035, 31717380, 33303249, 37003610, 44404332, 47576070, 55505415, 66606498, 74007220, 95152140, 111010830, 133212996, 166516245, 222021660, 333032490, 666064980]

約数ペア:

[(1, 666064980), (2, 333032490), (3, 222021660), (4, 166516245), (5, 133212996), (6, 111010830), (7, 95152140), (9, 74007220), (10, 66606498), (12, 55505415), (14, 47576070), (15, 44404332), (18, 37003610), (20, 33303249), (21, 31717380), (28, 23788035), (30, 22202166), (35, 19030428), (36, 18501805), (42, 15858690), (45, 14801444), (60, 11101083), (63, 10572460), (70, 9515214), (84, 7929345), (90, 7400722), (105, 6343476), (126, 5286230), (140, 4757607), (180, 3700361), (210, 3171738), (252, 2643115), (315, 2114492), (420, 1585869), (630, 1057246), (1260, 528623)]