152320840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{823}}^1$

素因数の和:1502

約数の個数: 64

約数和(自身を含む): 392751360

約数和(自身を除く): 240430520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 661, 823, 1322, 1646, 2644, 3292, 3305, 4115, 4627, 5288, 5761, 6584, 6610, 8230, 9254, 11522, 13220, 16460, 18508, 23044, 23135, 26440, 28805, 32920, 37016, 46088, 46270, 57610, 92540, 115220, 185080, 230440, 544003, 1088006, 2176012, 2720015, 3808021, 4352024, 5440030, 7616042, 10880060, 15232084, 19040105, 21760120, 30464168, 38080210, 76160420, 152320840]

約数ペア:

[(1, 152320840), (2, 76160420), (4, 38080210), (5, 30464168), (7, 21760120), (8, 19040105), (10, 15232084), (14, 10880060), (20, 7616042), (28, 5440030), (35, 4352024), (40, 3808021), (56, 2720015), (70, 2176012), (140, 1088006), (280, 544003), (661, 230440), (823, 185080), (1322, 115220), (1646, 92540), (2644, 57610), (3292, 46270), (3305, 46088), (4115, 37016), (4627, 32920), (5288, 28805), (5761, 26440), (6584, 23135), (6610, 23044), (8230, 18508), (9254, 16460), (11522, 13220)]