18212880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:353

約数の個数: 160

約数和(自身を含む): 66495744

約数和(自身を除く): 48282864

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 37, 40, 42, 48, 56, 60, 70, 74, 80, 84, 105, 111, 112, 120, 140, 148, 168, 185, 210, 222, 240, 259, 280, 293, 296, 336, 370, 420, 444, 518, 555, 560, 586, 592, 740, 777, 840, 879, 888, 1036, 1110, 1172, 1295, 1465, 1480, 1554, 1680, 1758, 1776, 2051, 2072, 2220, 2344, 2590, 2930, 2960, 3108, 3516, 3885, 4102, 4144, 4395, 4440, 4688, 5180, 5860, 6153, 6216, 7032, 7770, 8204, 8790, 8880, 10255, 10360, 10841, 11720, 12306, 12432, 14064, 15540, 16408, 17580, 20510, 20720, 21682, 23440, 24612, 30765, 31080, 32523, 32816, 35160, 41020, 43364, 49224, 54205, 61530, 62160, 65046, 70320, 75887, 82040, 86728, 98448, 108410, 123060, 130092, 151774, 162615, 164080, 173456, 216820, 227661, 246120, 260184, 303548, 325230, 379435, 433640, 455322, 492240, 520368, 607096, 650460, 758870, 867280, 910644, 1138305, 1214192, 1300920, 1517740, 1821288, 2276610, 2601840, 3035480, 3642576, 4553220, 6070960, 9106440, 18212880]

約数ペア:

[(1, 18212880), (2, 9106440), (3, 6070960), (4, 4553220), (5, 3642576), (6, 3035480), (7, 2601840), (8, 2276610), (10, 1821288), (12, 1517740), (14, 1300920), (15, 1214192), (16, 1138305), (20, 910644), (21, 867280), (24, 758870), (28, 650460), (30, 607096), (35, 520368), (37, 492240), (40, 455322), (42, 433640), (48, 379435), (56, 325230), (60, 303548), (70, 260184), (74, 246120), (80, 227661), (84, 216820), (105, 173456), (111, 164080), (112, 162615), (120, 151774), (140, 130092), (148, 123060), (168, 108410), (185, 98448), (210, 86728), (222, 82040), (240, 75887), (259, 70320), (280, 65046), (293, 62160), (296, 61530), (336, 54205), (370, 49224), (420, 43364), (444, 41020), (518, 35160), (555, 32816), (560, 32523), (586, 31080), (592, 30765), (740, 24612), (777, 23440), (840, 21682), (879, 20720), (888, 20510), (1036, 17580), (1110, 16408), (1172, 15540), (1295, 14064), (1465, 12432), (1480, 12306), (1554, 11720), (1680, 10841), (1758, 10360), (1776, 10255), (2051, 8880), (2072, 8790), (2220, 8204), (2344, 7770), (2590, 7032), (2930, 6216), (2960, 6153), (3108, 5860), (3516, 5180), (3885, 4688), (4102, 4440), (4144, 4395)]