720047835

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{4259}}^1$

素因数の和:4317

約数の個数: 72

約数和(自身を含む): 1428139440

約数和(自身を除く): 708091605

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 289, 585, 663, 765, 867, 1105, 1445, 1989, 2601, 3315, 3757, 4259, 4335, 9945, 11271, 12777, 13005, 18785, 21295, 33813, 38331, 55367, 56355, 63885, 72403, 166101, 169065, 191655, 217209, 276835, 362015, 498303, 651627, 830505, 941239, 1086045, 1230851, 2491515, 2823717, 3258135, 3692553, 4706195, 6154255, 8471151, 11077659, 14118585, 16001063, 18462765, 42355755, 48003189, 55388295, 80005315, 144009567, 240015945, 720047835]

約数ペア:

[(1, 720047835), (3, 240015945), (5, 144009567), (9, 80005315), (13, 55388295), (15, 48003189), (17, 42355755), (39, 18462765), (45, 16001063), (51, 14118585), (65, 11077659), (85, 8471151), (117, 6154255), (153, 4706195), (195, 3692553), (221, 3258135), (255, 2823717), (289, 2491515), (585, 1230851), (663, 1086045), (765, 941239), (867, 830505), (1105, 651627), (1445, 498303), (1989, 362015), (2601, 276835), (3315, 217209), (3757, 191655), (4259, 169065), (4335, 166101), (9945, 72403), (11271, 63885), (12777, 56355), (13005, 55367), (18785, 38331), (21295, 33813)]