20186640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1$

素因数の和:118

約数の個数: 180

約数和(自身を含む): 72206316

約数和(自身を除く): 52019676

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 53, 60, 69, 72, 80, 90, 92, 106, 115, 120, 138, 144, 159, 180, 184, 207, 212, 230, 240, 265, 276, 318, 345, 360, 368, 414, 424, 460, 477, 529, 530, 552, 636, 690, 720, 795, 828, 848, 920, 954, 1035, 1058, 1060, 1104, 1219, 1272, 1380, 1587, 1590, 1656, 1840, 1908, 2070, 2116, 2120, 2385, 2438, 2544, 2645, 2760, 3174, 3180, 3312, 3657, 3816, 4140, 4232, 4240, 4761, 4770, 4876, 5290, 5520, 6095, 6348, 6360, 7314, 7632, 7935, 8280, 8464, 9522, 9540, 9752, 10580, 10971, 12190, 12696, 12720, 14628, 15870, 16560, 18285, 19044, 19080, 19504, 21160, 21942, 23805, 24380, 25392, 28037, 29256, 31740, 36570, 38088, 38160, 42320, 43884, 47610, 48760, 54855, 56074, 58512, 63480, 73140, 76176, 84111, 87768, 95220, 97520, 109710, 112148, 126960, 140185, 146280, 168222, 175536, 190440, 219420, 224296, 252333, 280370, 292560, 336444, 380880, 420555, 438840, 448592, 504666, 560740, 672888, 841110, 877680, 1009332, 1121480, 1261665, 1345776, 1682220, 2018664, 2242960, 2523330, 3364440, 4037328, 5046660, 6728880, 10093320, 20186640]

約数ペア:

[(1, 20186640), (2, 10093320), (3, 6728880), (4, 5046660), (5, 4037328), (6, 3364440), (8, 2523330), (9, 2242960), (10, 2018664), (12, 1682220), (15, 1345776), (16, 1261665), (18, 1121480), (20, 1009332), (23, 877680), (24, 841110), (30, 672888), (36, 560740), (40, 504666), (45, 448592), (46, 438840), (48, 420555), (53, 380880), (60, 336444), (69, 292560), (72, 280370), (80, 252333), (90, 224296), (92, 219420), (106, 190440), (115, 175536), (120, 168222), (138, 146280), (144, 140185), (159, 126960), (180, 112148), (184, 109710), (207, 97520), (212, 95220), (230, 87768), (240, 84111), (265, 76176), (276, 73140), (318, 63480), (345, 58512), (360, 56074), (368, 54855), (414, 48760), (424, 47610), (460, 43884), (477, 42320), (529, 38160), (530, 38088), (552, 36570), (636, 31740), (690, 29256), (720, 28037), (795, 25392), (828, 24380), (848, 23805), (920, 21942), (954, 21160), (1035, 19504), (1058, 19080), (1060, 19044), (1104, 18285), (1219, 16560), (1272, 15870), (1380, 14628), (1587, 12720), (1590, 12696), (1656, 12190), (1840, 10971), (1908, 10580), (2070, 9752), (2116, 9540), (2120, 9522), (2385, 8464), (2438, 8280), (2544, 7935), (2645, 7632), (2760, 7314), (3174, 6360), (3180, 6348), (3312, 6095), (3657, 5520), (3816, 5290), (4140, 4876), (4232, 4770), (4240, 4761)]