256048380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{203213}}^1$

素因数の和:203235

約数の個数: 72

約数和(自身を含む): 887638752

約数和(自身を除く): 631590372

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, 203213, 406426, 609639, 812852, 1016065, 1219278, 1422491, 1828917, 2032130, 2438556, 2844982, 3048195, 3657834, 4064260, 4267473, 5689964, 6096390, 7112455, 7315668, 8534946, 9144585, 12192780, 12802419, 14224910, 17069892, 18289170, 21337365, 25604838, 28449820, 36578340, 42674730, 51209676, 64012095, 85349460, 128024190, 256048380]

約数ペア:

[(1, 256048380), (2, 128024190), (3, 85349460), (4, 64012095), (5, 51209676), (6, 42674730), (7, 36578340), (9, 28449820), (10, 25604838), (12, 21337365), (14, 18289170), (15, 17069892), (18, 14224910), (20, 12802419), (21, 12192780), (28, 9144585), (30, 8534946), (35, 7315668), (36, 7112455), (42, 6096390), (45, 5689964), (60, 4267473), (63, 4064260), (70, 3657834), (84, 3048195), (90, 2844982), (105, 2438556), (126, 2032130), (140, 1828917), (180, 1422491), (210, 1219278), (252, 1016065), (315, 812852), (420, 609639), (630, 406426), (1260, 203213)]