387345840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{230563}}^1$

素因数の和:230586

約数の個数: 80

約数和(自身を含む): 1372316928

約数和(自身を除く): 984971088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 230563, 461126, 691689, 922252, 1152815, 1383378, 1613941, 1844504, 2305630, 2766756, 3227882, 3458445, 3689008, 4611260, 4841823, 5533512, 6455764, 6916890, 8069705, 9222520, 9683646, 11067024, 12911528, 13833780, 16139410, 18445040, 19367292, 24209115, 25823056, 27667560, 32278820, 38734584, 48418230, 55335120, 64557640, 77469168, 96836460, 129115280, 193672920, 387345840]

約数ペア:

[(1, 387345840), (2, 193672920), (3, 129115280), (4, 96836460), (5, 77469168), (6, 64557640), (7, 55335120), (8, 48418230), (10, 38734584), (12, 32278820), (14, 27667560), (15, 25823056), (16, 24209115), (20, 19367292), (21, 18445040), (24, 16139410), (28, 13833780), (30, 12911528), (35, 11067024), (40, 9683646), (42, 9222520), (48, 8069705), (56, 6916890), (60, 6455764), (70, 5533512), (80, 4841823), (84, 4611260), (105, 3689008), (112, 3458445), (120, 3227882), (140, 2766756), (168, 2305630), (210, 1844504), (240, 1613941), (280, 1383378), (336, 1152815), (420, 922252), (560, 691689), (840, 461126), (1680, 230563)]