53215920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:440

約数の個数: 160

約数和(自身を含む): 186416640

約数和(自身を除く): 133200720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 71, 72, 80, 90, 108, 120, 135, 142, 144, 180, 213, 216, 240, 270, 284, 347, 355, 360, 426, 432, 540, 568, 639, 694, 710, 720, 852, 1041, 1065, 1080, 1136, 1278, 1388, 1420, 1704, 1735, 1917, 2082, 2130, 2160, 2556, 2776, 2840, 3123, 3195, 3408, 3470, 3834, 4164, 4260, 5112, 5205, 5552, 5680, 6246, 6390, 6940, 7668, 8328, 8520, 9369, 9585, 10224, 10410, 12492, 12780, 13880, 15336, 15615, 16656, 17040, 18738, 19170, 20820, 24637, 24984, 25560, 27760, 30672, 31230, 37476, 38340, 41640, 46845, 49274, 49968, 51120, 62460, 73911, 74952, 76680, 83280, 93690, 98548, 123185, 124920, 147822, 149904, 153360, 187380, 197096, 221733, 246370, 249840, 295644, 369555, 374760, 394192, 443466, 492740, 591288, 665199, 739110, 749520, 886932, 985480, 1108665, 1182576, 1330398, 1478220, 1773864, 1970960, 2217330, 2660796, 2956440, 3325995, 3547728, 4434660, 5321592, 5912880, 6651990, 8869320, 10643184, 13303980, 17738640, 26607960, 53215920]

約数ペア:

[(1, 53215920), (2, 26607960), (3, 17738640), (4, 13303980), (5, 10643184), (6, 8869320), (8, 6651990), (9, 5912880), (10, 5321592), (12, 4434660), (15, 3547728), (16, 3325995), (18, 2956440), (20, 2660796), (24, 2217330), (27, 1970960), (30, 1773864), (36, 1478220), (40, 1330398), (45, 1182576), (48, 1108665), (54, 985480), (60, 886932), (71, 749520), (72, 739110), (80, 665199), (90, 591288), (108, 492740), (120, 443466), (135, 394192), (142, 374760), (144, 369555), (180, 295644), (213, 249840), (216, 246370), (240, 221733), (270, 197096), (284, 187380), (347, 153360), (355, 149904), (360, 147822), (426, 124920), (432, 123185), (540, 98548), (568, 93690), (639, 83280), (694, 76680), (710, 74952), (720, 73911), (852, 62460), (1041, 51120), (1065, 49968), (1080, 49274), (1136, 46845), (1278, 41640), (1388, 38340), (1420, 37476), (1704, 31230), (1735, 30672), (1917, 27760), (2082, 25560), (2130, 24984), (2160, 24637), (2556, 20820), (2776, 19170), (2840, 18738), (3123, 17040), (3195, 16656), (3408, 15615), (3470, 15336), (3834, 13880), (4164, 12780), (4260, 12492), (5112, 10410), (5205, 10224), (5552, 9585), (5680, 9369), (6246, 8520), (6390, 8328), (6940, 7668)]