38857680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1861}}^1$

素因数の和:1909

約数の個数: 120

約数和(自身を含む): 135069480

約数和(自身を除く): 96211800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 116, 120, 144, 145, 174, 180, 232, 240, 261, 290, 348, 360, 435, 464, 522, 580, 696, 720, 870, 1044, 1160, 1305, 1392, 1740, 1861, 2088, 2320, 2610, 3480, 3722, 4176, 5220, 5583, 6960, 7444, 9305, 10440, 11166, 14888, 16749, 18610, 20880, 22332, 27915, 29776, 33498, 37220, 44664, 53969, 55830, 66996, 74440, 83745, 89328, 107938, 111660, 133992, 148880, 161907, 167490, 215876, 223320, 267984, 269845, 323814, 334980, 431752, 446640, 485721, 539690, 647628, 669960, 809535, 863504, 971442, 1079380, 1295256, 1339920, 1619070, 1942884, 2158760, 2428605, 2590512, 3238140, 3885768, 4317520, 4857210, 6476280, 7771536, 9714420, 12952560, 19428840, 38857680]

約数ペア:

[(1, 38857680), (2, 19428840), (3, 12952560), (4, 9714420), (5, 7771536), (6, 6476280), (8, 4857210), (9, 4317520), (10, 3885768), (12, 3238140), (15, 2590512), (16, 2428605), (18, 2158760), (20, 1942884), (24, 1619070), (29, 1339920), (30, 1295256), (36, 1079380), (40, 971442), (45, 863504), (48, 809535), (58, 669960), (60, 647628), (72, 539690), (80, 485721), (87, 446640), (90, 431752), (116, 334980), (120, 323814), (144, 269845), (145, 267984), (174, 223320), (180, 215876), (232, 167490), (240, 161907), (261, 148880), (290, 133992), (348, 111660), (360, 107938), (435, 89328), (464, 83745), (522, 74440), (580, 66996), (696, 55830), (720, 53969), (870, 44664), (1044, 37220), (1160, 33498), (1305, 29776), (1392, 27915), (1740, 22332), (1861, 20880), (2088, 18610), (2320, 16749), (2610, 14888), (3480, 11166), (3722, 10440), (4176, 9305), (5220, 7444), (5583, 6960)]