18172560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{373}}^1$

素因数の和:425

約数の個数: 160

約数和(自身を含む): 66781440

約数和(自身を除く): 48608880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 35, 40, 42, 48, 56, 58, 60, 70, 80, 84, 87, 105, 112, 116, 120, 140, 145, 168, 174, 203, 210, 232, 240, 280, 290, 336, 348, 373, 406, 420, 435, 464, 560, 580, 609, 696, 746, 812, 840, 870, 1015, 1119, 1160, 1218, 1392, 1492, 1624, 1680, 1740, 1865, 2030, 2238, 2320, 2436, 2611, 2984, 3045, 3248, 3480, 3730, 4060, 4476, 4872, 5222, 5595, 5968, 6090, 6960, 7460, 7833, 8120, 8952, 9744, 10444, 10817, 11190, 12180, 13055, 14920, 15666, 16240, 17904, 20888, 21634, 22380, 24360, 26110, 29840, 31332, 32451, 39165, 41776, 43268, 44760, 48720, 52220, 54085, 62664, 64902, 75719, 78330, 86536, 89520, 104440, 108170, 125328, 129804, 151438, 156660, 162255, 173072, 208880, 216340, 227157, 259608, 302876, 313320, 324510, 378595, 432680, 454314, 519216, 605752, 626640, 649020, 757190, 865360, 908628, 1135785, 1211504, 1298040, 1514380, 1817256, 2271570, 2596080, 3028760, 3634512, 4543140, 6057520, 9086280, 18172560]

約数ペア:

[(1, 18172560), (2, 9086280), (3, 6057520), (4, 4543140), (5, 3634512), (6, 3028760), (7, 2596080), (8, 2271570), (10, 1817256), (12, 1514380), (14, 1298040), (15, 1211504), (16, 1135785), (20, 908628), (21, 865360), (24, 757190), (28, 649020), (29, 626640), (30, 605752), (35, 519216), (40, 454314), (42, 432680), (48, 378595), (56, 324510), (58, 313320), (60, 302876), (70, 259608), (80, 227157), (84, 216340), (87, 208880), (105, 173072), (112, 162255), (116, 156660), (120, 151438), (140, 129804), (145, 125328), (168, 108170), (174, 104440), (203, 89520), (210, 86536), (232, 78330), (240, 75719), (280, 64902), (290, 62664), (336, 54085), (348, 52220), (373, 48720), (406, 44760), (420, 43268), (435, 41776), (464, 39165), (560, 32451), (580, 31332), (609, 29840), (696, 26110), (746, 24360), (812, 22380), (840, 21634), (870, 20888), (1015, 17904), (1119, 16240), (1160, 15666), (1218, 14920), (1392, 13055), (1492, 12180), (1624, 11190), (1680, 10817), (1740, 10444), (1865, 9744), (2030, 8952), (2238, 8120), (2320, 7833), (2436, 7460), (2611, 6960), (2984, 6090), (3045, 5968), (3248, 5595), (3480, 5222), (3730, 4872), (4060, 4476)]