77681940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{184957}}^1$

素因数の和:184976

約数の個数: 48

約数和(自身を含む): 248583552

約数和(自身を除く): 170901612

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, 420, 184957, 369914, 554871, 739828, 924785, 1109742, 1294699, 1849570, 2219484, 2589398, 2774355, 3699140, 3884097, 5178796, 5548710, 6473495, 7768194, 11097420, 12946990, 15536388, 19420485, 25893980, 38840970, 77681940]

約数ペア:

[(1, 77681940), (2, 38840970), (3, 25893980), (4, 19420485), (5, 15536388), (6, 12946990), (7, 11097420), (10, 7768194), (12, 6473495), (14, 5548710), (15, 5178796), (20, 3884097), (21, 3699140), (28, 2774355), (30, 2589398), (35, 2219484), (42, 1849570), (60, 1294699), (70, 1109742), (84, 924785), (105, 739828), (140, 554871), (210, 369914), (420, 184957)]