18257280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:316

約数の個数: 128

約数和(自身を含む): 60000480

約数和(自身を除く): 41743200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 185, 192, 222, 240, 257, 296, 320, 370, 384, 444, 480, 514, 555, 592, 640, 740, 771, 888, 960, 1028, 1110, 1184, 1285, 1480, 1542, 1776, 1920, 2056, 2220, 2368, 2570, 2960, 3084, 3552, 3855, 4112, 4440, 4736, 5140, 5920, 6168, 7104, 7710, 8224, 8880, 9509, 10280, 11840, 12336, 14208, 15420, 16448, 17760, 19018, 20560, 23680, 24672, 28527, 30840, 32896, 35520, 38036, 41120, 47545, 49344, 57054, 61680, 71040, 76072, 82240, 95090, 98688, 114108, 123360, 142635, 152144, 164480, 190180, 228216, 246720, 285270, 304288, 380360, 456432, 493440, 570540, 608576, 760720, 912864, 1141080, 1217152, 1521440, 1825728, 2282160, 3042880, 3651456, 4564320, 6085760, 9128640, 18257280]

約数ペア:

[(1, 18257280), (2, 9128640), (3, 6085760), (4, 4564320), (5, 3651456), (6, 3042880), (8, 2282160), (10, 1825728), (12, 1521440), (15, 1217152), (16, 1141080), (20, 912864), (24, 760720), (30, 608576), (32, 570540), (37, 493440), (40, 456432), (48, 380360), (60, 304288), (64, 285270), (74, 246720), (80, 228216), (96, 190180), (111, 164480), (120, 152144), (128, 142635), (148, 123360), (160, 114108), (185, 98688), (192, 95090), (222, 82240), (240, 76072), (257, 71040), (296, 61680), (320, 57054), (370, 49344), (384, 47545), (444, 41120), (480, 38036), (514, 35520), (555, 32896), (592, 30840), (640, 28527), (740, 24672), (771, 23680), (888, 20560), (960, 19018), (1028, 17760), (1110, 16448), (1184, 15420), (1285, 14208), (1480, 12336), (1542, 11840), (1776, 10280), (1920, 9509), (2056, 8880), (2220, 8224), (2368, 7710), (2570, 7104), (2960, 6168), (3084, 5920), (3552, 5140), (3855, 4736), (4112, 4440)]