254262120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2777}}^1$

素因数の和:2907

約数の個数: 128

約数和(自身を含む): 880070400

約数和(自身を除く): 625808280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 109, 120, 140, 168, 210, 218, 280, 327, 420, 436, 545, 654, 763, 840, 872, 1090, 1308, 1526, 1635, 2180, 2289, 2616, 2777, 3052, 3270, 3815, 4360, 4578, 5554, 6104, 6540, 7630, 8331, 9156, 11108, 11445, 13080, 13885, 15260, 16662, 18312, 19439, 22216, 22890, 27770, 30520, 33324, 38878, 41655, 45780, 55540, 58317, 66648, 77756, 83310, 91560, 97195, 111080, 116634, 155512, 166620, 194390, 233268, 291585, 302693, 333240, 388780, 466536, 583170, 605386, 777560, 908079, 1166340, 1210772, 1513465, 1816158, 2118851, 2332680, 2421544, 3026930, 3632316, 4237702, 4540395, 6053860, 6356553, 7264632, 8475404, 9080790, 10594255, 12107720, 12713106, 16950808, 18161580, 21188510, 25426212, 31782765, 36323160, 42377020, 50852424, 63565530, 84754040, 127131060, 254262120]

約数ペア:

[(1, 254262120), (2, 127131060), (3, 84754040), (4, 63565530), (5, 50852424), (6, 42377020), (7, 36323160), (8, 31782765), (10, 25426212), (12, 21188510), (14, 18161580), (15, 16950808), (20, 12713106), (21, 12107720), (24, 10594255), (28, 9080790), (30, 8475404), (35, 7264632), (40, 6356553), (42, 6053860), (56, 4540395), (60, 4237702), (70, 3632316), (84, 3026930), (105, 2421544), (109, 2332680), (120, 2118851), (140, 1816158), (168, 1513465), (210, 1210772), (218, 1166340), (280, 908079), (327, 777560), (420, 605386), (436, 583170), (545, 466536), (654, 388780), (763, 333240), (840, 302693), (872, 291585), (1090, 233268), (1308, 194390), (1526, 166620), (1635, 155512), (2180, 116634), (2289, 111080), (2616, 97195), (2777, 91560), (3052, 83310), (3270, 77756), (3815, 66648), (4360, 58317), (4578, 55540), (5554, 45780), (6104, 41655), (6540, 38878), (7630, 33324), (8331, 30520), (9156, 27770), (11108, 22890), (11445, 22216), (13080, 19439), (13885, 18312), (15260, 16662)]