144420920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{1231}}^1$

素因数の和:1668

約数の個数: 64

約数和(自身を含む): 372556800

約数和(自身を除く): 228135880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 419, 838, 1231, 1676, 2095, 2462, 2933, 3352, 4190, 4924, 5866, 6155, 8380, 8617, 9848, 11732, 12310, 14665, 16760, 17234, 23464, 24620, 29330, 34468, 43085, 49240, 58660, 68936, 86170, 117320, 172340, 344680, 515789, 1031578, 2063156, 2578945, 3610523, 4126312, 5157890, 7221046, 10315780, 14442092, 18052615, 20631560, 28884184, 36105230, 72210460, 144420920]

約数ペア:

[(1, 144420920), (2, 72210460), (4, 36105230), (5, 28884184), (7, 20631560), (8, 18052615), (10, 14442092), (14, 10315780), (20, 7221046), (28, 5157890), (35, 4126312), (40, 3610523), (56, 2578945), (70, 2063156), (140, 1031578), (280, 515789), (419, 344680), (838, 172340), (1231, 117320), (1676, 86170), (2095, 68936), (2462, 58660), (2933, 49240), (3352, 43085), (4190, 34468), (4924, 29330), (5866, 24620), (6155, 23464), (8380, 17234), (8617, 16760), (9848, 14665), (11732, 12310)]