161990640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{32141}}^1$

素因数の和:32167

約数の個数: 120

約数和(自身を含む): 621754848

約数和(自身を除く): 459764208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 32141, 64282, 96423, 128564, 160705, 192846, 224987, 257128, 289269, 321410, 385692, 449974, 482115, 514256, 578538, 642820, 674961, 771384, 899948, 964230, 1124935, 1157076, 1285640, 1349922, 1446345, 1542768, 1799896, 1928460, 2024883, 2249870, 2314152, 2571280, 2699844, 2892690, 3374805, 3599792, 3856920, 4049766, 4499740, 4628304, 5399688, 5785380, 6749610, 7713840, 8099532, 8999480, 10124415, 10799376, 11570760, 13499220, 16199064, 17998960, 20248830, 23141520, 26998440, 32398128, 40497660, 53996880, 80995320, 161990640]

約数ペア:

[(1, 161990640), (2, 80995320), (3, 53996880), (4, 40497660), (5, 32398128), (6, 26998440), (7, 23141520), (8, 20248830), (9, 17998960), (10, 16199064), (12, 13499220), (14, 11570760), (15, 10799376), (16, 10124415), (18, 8999480), (20, 8099532), (21, 7713840), (24, 6749610), (28, 5785380), (30, 5399688), (35, 4628304), (36, 4499740), (40, 4049766), (42, 3856920), (45, 3599792), (48, 3374805), (56, 2892690), (60, 2699844), (63, 2571280), (70, 2314152), (72, 2249870), (80, 2024883), (84, 1928460), (90, 1799896), (105, 1542768), (112, 1446345), (120, 1349922), (126, 1285640), (140, 1157076), (144, 1124935), (168, 964230), (180, 899948), (210, 771384), (240, 674961), (252, 642820), (280, 578538), (315, 514256), (336, 482115), (360, 449974), (420, 385692), (504, 321410), (560, 289269), (630, 257128), (720, 224987), (840, 192846), (1008, 160705), (1260, 128564), (1680, 96423), (2520, 64282), (5040, 32141)]