321950580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{109507}}^1$

素因数の和:109533

約数の個数: 72

約数和(自身を含む): 1048648608

約数和(自身を除く): 726698028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 109507, 219014, 328521, 438028, 547535, 657042, 766549, 1095070, 1314084, 1533098, 1642605, 2190140, 2299647, 3066196, 3285210, 3832745, 4599294, 5365843, 6570420, 7665490, 9198588, 10731686, 11498235, 15330980, 16097529, 21463372, 22996470, 26829215, 32195058, 45992940, 53658430, 64390116, 80487645, 107316860, 160975290, 321950580]

約数ペア:

[(1, 321950580), (2, 160975290), (3, 107316860), (4, 80487645), (5, 64390116), (6, 53658430), (7, 45992940), (10, 32195058), (12, 26829215), (14, 22996470), (15, 21463372), (20, 16097529), (21, 15330980), (28, 11498235), (30, 10731686), (35, 9198588), (42, 7665490), (49, 6570420), (60, 5365843), (70, 4599294), (84, 3832745), (98, 3285210), (105, 3066196), (140, 2299647), (147, 2190140), (196, 1642605), (210, 1533098), (245, 1314084), (294, 1095070), (420, 766549), (490, 657042), (588, 547535), (735, 438028), (980, 328521), (1470, 219014), (2940, 109507)]