77918480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:153

約数の個数: 160

約数和(自身を含む): 208272384

約数和(自身を除く): 130353904

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 47, 53, 68, 80, 85, 92, 94, 106, 115, 136, 170, 184, 188, 212, 230, 235, 265, 272, 340, 368, 376, 391, 424, 460, 470, 530, 680, 752, 782, 799, 848, 901, 920, 940, 1060, 1081, 1219, 1360, 1564, 1598, 1802, 1840, 1880, 1955, 2120, 2162, 2438, 2491, 3128, 3196, 3604, 3760, 3910, 3995, 4240, 4324, 4505, 4876, 4982, 5405, 6095, 6256, 6392, 7208, 7820, 7990, 8648, 9010, 9752, 9964, 10810, 12190, 12455, 12784, 14416, 15640, 15980, 17296, 18020, 18377, 19504, 19928, 20723, 21620, 24380, 24910, 31280, 31960, 36040, 36754, 39856, 41446, 42347, 43240, 48760, 49820, 57293, 63920, 72080, 73508, 82892, 84694, 86480, 91885, 97520, 99640, 103615, 114586, 147016, 165784, 169388, 183770, 199280, 207230, 211735, 229172, 286465, 294032, 331568, 338776, 367540, 414460, 423470, 458344, 572930, 677552, 735080, 828920, 846940, 916688, 973981, 1145860, 1470160, 1657840, 1693880, 1947962, 2291720, 3387760, 3895924, 4583440, 4869905, 7791848, 9739810, 15583696, 19479620, 38959240, 77918480]

約数ペア:

[(1, 77918480), (2, 38959240), (4, 19479620), (5, 15583696), (8, 9739810), (10, 7791848), (16, 4869905), (17, 4583440), (20, 3895924), (23, 3387760), (34, 2291720), (40, 1947962), (46, 1693880), (47, 1657840), (53, 1470160), (68, 1145860), (80, 973981), (85, 916688), (92, 846940), (94, 828920), (106, 735080), (115, 677552), (136, 572930), (170, 458344), (184, 423470), (188, 414460), (212, 367540), (230, 338776), (235, 331568), (265, 294032), (272, 286465), (340, 229172), (368, 211735), (376, 207230), (391, 199280), (424, 183770), (460, 169388), (470, 165784), (530, 147016), (680, 114586), (752, 103615), (782, 99640), (799, 97520), (848, 91885), (901, 86480), (920, 84694), (940, 82892), (1060, 73508), (1081, 72080), (1219, 63920), (1360, 57293), (1564, 49820), (1598, 48760), (1802, 43240), (1840, 42347), (1880, 41446), (1955, 39856), (2120, 36754), (2162, 36040), (2438, 31960), (2491, 31280), (3128, 24910), (3196, 24380), (3604, 21620), (3760, 20723), (3910, 19928), (3995, 19504), (4240, 18377), (4324, 18020), (4505, 17296), (4876, 15980), (4982, 15640), (5405, 14416), (6095, 12784), (6256, 12455), (6392, 12190), (7208, 10810), (7820, 9964), (7990, 9752), (8648, 9010)]