64771920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:370

約数の個数: 160

約数和(自身を含む): 225699840

約数和(自身を除く): 160927920

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, 72, 80, 90, 108, 120, 135, 144, 157, 180, 191, 216, 240, 270, 314, 360, 382, 432, 471, 540, 573, 628, 720, 764, 785, 942, 955, 1080, 1146, 1256, 1413, 1528, 1570, 1719, 1884, 1910, 2160, 2292, 2355, 2512, 2826, 2865, 3056, 3140, 3438, 3768, 3820, 4239, 4584, 4710, 5157, 5652, 5730, 6280, 6876, 7065, 7536, 7640, 8478, 8595, 9168, 9420, 10314, 11304, 11460, 12560, 13752, 14130, 15280, 16956, 17190, 18840, 20628, 21195, 22608, 22920, 25785, 27504, 28260, 29987, 33912, 34380, 37680, 41256, 42390, 45840, 51570, 56520, 59974, 67824, 68760, 82512, 84780, 89961, 103140, 113040, 119948, 137520, 149935, 169560, 179922, 206280, 239896, 269883, 299870, 339120, 359844, 412560, 449805, 479792, 539766, 599740, 719688, 809649, 899610, 1079532, 1199480, 1349415, 1439376, 1619298, 1799220, 2159064, 2398960, 2698830, 3238596, 3598440, 4048245, 4318128, 5397660, 6477192, 7196880, 8096490, 10795320, 12954384, 16192980, 21590640, 32385960, 64771920]

約数ペア:

[(1, 64771920), (2, 32385960), (3, 21590640), (4, 16192980), (5, 12954384), (6, 10795320), (8, 8096490), (9, 7196880), (10, 6477192), (12, 5397660), (15, 4318128), (16, 4048245), (18, 3598440), (20, 3238596), (24, 2698830), (27, 2398960), (30, 2159064), (36, 1799220), (40, 1619298), (45, 1439376), (48, 1349415), (54, 1199480), (60, 1079532), (72, 899610), (80, 809649), (90, 719688), (108, 599740), (120, 539766), (135, 479792), (144, 449805), (157, 412560), (180, 359844), (191, 339120), (216, 299870), (240, 269883), (270, 239896), (314, 206280), (360, 179922), (382, 169560), (432, 149935), (471, 137520), (540, 119948), (573, 113040), (628, 103140), (720, 89961), (764, 84780), (785, 82512), (942, 68760), (955, 67824), (1080, 59974), (1146, 56520), (1256, 51570), (1413, 45840), (1528, 42390), (1570, 41256), (1719, 37680), (1884, 34380), (1910, 33912), (2160, 29987), (2292, 28260), (2355, 27504), (2512, 25785), (2826, 22920), (2865, 22608), (3056, 21195), (3140, 20628), (3438, 18840), (3768, 17190), (3820, 16956), (4239, 15280), (4584, 14130), (4710, 13752), (5157, 12560), (5652, 11460), (5730, 11304), (6280, 10314), (6876, 9420), (7065, 9168), (7536, 8595), (7640, 8478)]