664174980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{527123}}^1$

素因数の和:527145

約数の個数: 72

約数和(自身を含む): 2302477632

約数和(自身を除く): 1638302652

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, 527123, 1054246, 1581369, 2108492, 2635615, 3162738, 3689861, 4744107, 5271230, 6325476, 7379722, 7906845, 9488214, 10542460, 11069583, 14759444, 15813690, 18449305, 18976428, 22139166, 23720535, 31627380, 33208749, 36898610, 44278332, 47441070, 55347915, 66417498, 73797220, 94882140, 110695830, 132834996, 166043745, 221391660, 332087490, 664174980]

約数ペア:

[(1, 664174980), (2, 332087490), (3, 221391660), (4, 166043745), (5, 132834996), (6, 110695830), (7, 94882140), (9, 73797220), (10, 66417498), (12, 55347915), (14, 47441070), (15, 44278332), (18, 36898610), (20, 33208749), (21, 31627380), (28, 23720535), (30, 22139166), (35, 18976428), (36, 18449305), (42, 15813690), (45, 14759444), (60, 11069583), (63, 10542460), (70, 9488214), (84, 7906845), (90, 7379722), (105, 6325476), (126, 5271230), (140, 4744107), (180, 3689861), (210, 3162738), (252, 2635615), (315, 2108492), (420, 1581369), (630, 1054246), (1260, 527123)]