30391620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{269}}^2$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 97616064

約数和(自身を除く): 67224444

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 269, 420, 538, 807, 1076, 1345, 1614, 1883, 2690, 3228, 3766, 4035, 5380, 5649, 7532, 8070, 9415, 11298, 16140, 18830, 22596, 28245, 37660, 56490, 72361, 112980, 144722, 217083, 289444, 361805, 434166, 506527, 723610, 868332, 1013054, 1085415, 1447220, 1519581, 2026108, 2170830, 2532635, 3039162, 4341660, 5065270, 6078324, 7597905, 10130540, 15195810, 30391620]

約数ペア:

[(1, 30391620), (2, 15195810), (3, 10130540), (4, 7597905), (5, 6078324), (6, 5065270), (7, 4341660), (10, 3039162), (12, 2532635), (14, 2170830), (15, 2026108), (20, 1519581), (21, 1447220), (28, 1085415), (30, 1013054), (35, 868332), (42, 723610), (60, 506527), (70, 434166), (84, 361805), (105, 289444), (140, 217083), (210, 144722), (269, 112980), (420, 72361), (538, 56490), (807, 37660), (1076, 28245), (1345, 22596), (1614, 18830), (1883, 16140), (2690, 11298), (3228, 9415), (3766, 8070), (4035, 7532), (5380, 5649)]