121869680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:514

約数の個数: 80

約数和(自身を含む): 295290624

約数和(自身を除く): 173420944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 157, 248, 310, 313, 314, 496, 620, 626, 628, 785, 1240, 1252, 1256, 1565, 1570, 2480, 2504, 2512, 3130, 3140, 4867, 5008, 6260, 6280, 9703, 9734, 12520, 12560, 19406, 19468, 24335, 25040, 38812, 38936, 48515, 48670, 49141, 77624, 77872, 97030, 97340, 98282, 155248, 194060, 194680, 196564, 245705, 388120, 389360, 393128, 491410, 776240, 786256, 982820, 1523371, 1965640, 3046742, 3931280, 6093484, 7616855, 12186968, 15233710, 24373936, 30467420, 60934840, 121869680]

約数ペア:

[(1, 121869680), (2, 60934840), (4, 30467420), (5, 24373936), (8, 15233710), (10, 12186968), (16, 7616855), (20, 6093484), (31, 3931280), (40, 3046742), (62, 1965640), (80, 1523371), (124, 982820), (155, 786256), (157, 776240), (248, 491410), (310, 393128), (313, 389360), (314, 388120), (496, 245705), (620, 196564), (626, 194680), (628, 194060), (785, 155248), (1240, 98282), (1252, 97340), (1256, 97030), (1565, 77872), (1570, 77624), (2480, 49141), (2504, 48670), (2512, 48515), (3130, 38936), (3140, 38812), (4867, 25040), (5008, 24335), (6260, 19468), (6280, 19406), (9703, 12560), (9734, 12520)]