77880390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2707}}^1$

素因数の和:2861

約数の個数: 64

約数和(自身を含む): 215253504

約数和(自身を除く): 137373114

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 137, 210, 274, 411, 685, 822, 959, 1370, 1918, 2055, 2707, 2877, 4110, 4795, 5414, 5754, 8121, 9590, 13535, 14385, 16242, 18949, 27070, 28770, 37898, 40605, 56847, 81210, 94745, 113694, 189490, 284235, 370859, 568470, 741718, 1112577, 1854295, 2225154, 2596013, 3708590, 5192026, 5562885, 7788039, 11125770, 12980065, 15576078, 25960130, 38940195, 77880390]

約数ペア:

[(1, 77880390), (2, 38940195), (3, 25960130), (5, 15576078), (6, 12980065), (7, 11125770), (10, 7788039), (14, 5562885), (15, 5192026), (21, 3708590), (30, 2596013), (35, 2225154), (42, 1854295), (70, 1112577), (105, 741718), (137, 568470), (210, 370859), (274, 284235), (411, 189490), (685, 113694), (822, 94745), (959, 81210), (1370, 56847), (1918, 40605), (2055, 37898), (2707, 28770), (2877, 27070), (4110, 18949), (4795, 16242), (5414, 14385), (5754, 13535), (8121, 9590)]