338880105

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{937}}^1$

素因数の和:1020

約数の個数: 80

約数和(自身を含む): 653748480

約数和(自身を除く): 314868375

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 47, 57, 81, 95, 135, 141, 171, 235, 285, 405, 423, 513, 705, 855, 893, 937, 1269, 1539, 2115, 2565, 2679, 2811, 3807, 4465, 4685, 6345, 7695, 8037, 8433, 13395, 14055, 17803, 19035, 24111, 25299, 40185, 42165, 44039, 53409, 72333, 75897, 89015, 120555, 126495, 132117, 160227, 220195, 267045, 361665, 379485, 396351, 480681, 660585, 801135, 836741, 1189053, 1442043, 1981755, 2403405, 2510223, 3567159, 4183705, 5945265, 7210215, 7530669, 12551115, 17835795, 22592007, 37653345, 67776021, 112960035, 338880105]

約数ペア:

[(1, 338880105), (3, 112960035), (5, 67776021), (9, 37653345), (15, 22592007), (19, 17835795), (27, 12551115), (45, 7530669), (47, 7210215), (57, 5945265), (81, 4183705), (95, 3567159), (135, 2510223), (141, 2403405), (171, 1981755), (235, 1442043), (285, 1189053), (405, 836741), (423, 801135), (513, 660585), (705, 480681), (855, 396351), (893, 379485), (937, 361665), (1269, 267045), (1539, 220195), (2115, 160227), (2565, 132117), (2679, 126495), (2811, 120555), (3807, 89015), (4465, 75897), (4685, 72333), (6345, 53409), (7695, 44039), (8037, 42165), (8433, 40185), (13395, 25299), (14055, 24111), (17803, 19035)]