19753920

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{19}}^3$

素因数の和:80

約数の個数: 168

約数和(自身を含む): 71719440

約数和(自身を除く): 51965520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 192, 228, 240, 285, 288, 304, 320, 342, 360, 361, 380, 456, 480, 570, 576, 608, 684, 720, 722, 760, 855, 912, 960, 1083, 1140, 1216, 1368, 1440, 1444, 1520, 1710, 1805, 1824, 2166, 2280, 2736, 2880, 2888, 3040, 3249, 3420, 3610, 3648, 4332, 4560, 5415, 5472, 5776, 6080, 6498, 6840, 6859, 7220, 8664, 9120, 10830, 10944, 11552, 12996, 13680, 13718, 14440, 16245, 17328, 18240, 20577, 21660, 23104, 25992, 27360, 27436, 28880, 32490, 34295, 34656, 41154, 43320, 51984, 54720, 54872, 57760, 61731, 64980, 68590, 69312, 82308, 86640, 102885, 103968, 109744, 115520, 123462, 129960, 137180, 164616, 173280, 205770, 207936, 219488, 246924, 259920, 274360, 308655, 329232, 346560, 411540, 438976, 493848, 519840, 548720, 617310, 658464, 823080, 987696, 1039680, 1097440, 1234620, 1316928, 1646160, 1975392, 2194880, 2469240, 3292320, 3950784, 4938480, 6584640, 9876960, 19753920]

約数ペア:

[(1, 19753920), (2, 9876960), (3, 6584640), (4, 4938480), (5, 3950784), (6, 3292320), (8, 2469240), (9, 2194880), (10, 1975392), (12, 1646160), (15, 1316928), (16, 1234620), (18, 1097440), (19, 1039680), (20, 987696), (24, 823080), (30, 658464), (32, 617310), (36, 548720), (38, 519840), (40, 493848), (45, 438976), (48, 411540), (57, 346560), (60, 329232), (64, 308655), (72, 274360), (76, 259920), (80, 246924), (90, 219488), (95, 207936), (96, 205770), (114, 173280), (120, 164616), (144, 137180), (152, 129960), (160, 123462), (171, 115520), (180, 109744), (190, 103968), (192, 102885), (228, 86640), (240, 82308), (285, 69312), (288, 68590), (304, 64980), (320, 61731), (342, 57760), (360, 54872), (361, 54720), (380, 51984), (456, 43320), (480, 41154), (570, 34656), (576, 34295), (608, 32490), (684, 28880), (720, 27436), (722, 27360), (760, 25992), (855, 23104), (912, 21660), (960, 20577), (1083, 18240), (1140, 17328), (1216, 16245), (1368, 14440), (1440, 13718), (1444, 13680), (1520, 12996), (1710, 11552), (1805, 10944), (1824, 10830), (2166, 9120), (2280, 8664), (2736, 7220), (2880, 6859), (2888, 6840), (3040, 6498), (3249, 6080), (3420, 5776), (3610, 5472), (3648, 5415), (4332, 4560)]