66419080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:359

約数の個数: 128

約数和(自身を含む): 187246080

約数和(自身を除く): 120827000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 71, 91, 104, 130, 140, 142, 182, 257, 260, 280, 284, 355, 364, 455, 497, 514, 520, 568, 710, 728, 910, 923, 994, 1028, 1285, 1420, 1799, 1820, 1846, 1988, 2056, 2485, 2570, 2840, 3341, 3598, 3640, 3692, 3976, 4615, 4970, 5140, 6461, 6682, 7196, 7384, 8995, 9230, 9940, 10280, 12922, 13364, 14392, 16705, 17990, 18247, 18460, 19880, 23387, 25844, 26728, 32305, 33410, 35980, 36494, 36920, 46774, 51688, 64610, 66820, 71960, 72988, 91235, 93548, 116935, 127729, 129220, 133640, 145976, 182470, 187096, 233870, 237211, 255458, 258440, 364940, 467740, 474422, 510916, 638645, 729880, 935480, 948844, 1021832, 1186055, 1277290, 1660477, 1897688, 2372110, 2554580, 3320954, 4744220, 5109160, 6641908, 8302385, 9488440, 13283816, 16604770, 33209540, 66419080]

約数ペア:

[(1, 66419080), (2, 33209540), (4, 16604770), (5, 13283816), (7, 9488440), (8, 8302385), (10, 6641908), (13, 5109160), (14, 4744220), (20, 3320954), (26, 2554580), (28, 2372110), (35, 1897688), (40, 1660477), (52, 1277290), (56, 1186055), (65, 1021832), (70, 948844), (71, 935480), (91, 729880), (104, 638645), (130, 510916), (140, 474422), (142, 467740), (182, 364940), (257, 258440), (260, 255458), (280, 237211), (284, 233870), (355, 187096), (364, 182470), (455, 145976), (497, 133640), (514, 129220), (520, 127729), (568, 116935), (710, 93548), (728, 91235), (910, 72988), (923, 71960), (994, 66820), (1028, 64610), (1285, 51688), (1420, 46774), (1799, 36920), (1820, 36494), (1846, 35980), (1988, 33410), (2056, 32305), (2485, 26728), (2570, 25844), (2840, 23387), (3341, 19880), (3598, 18460), (3640, 18247), (3692, 17990), (3976, 16705), (4615, 14392), (4970, 13364), (5140, 12922), (6461, 10280), (6682, 9940), (7196, 9230), (7384, 8995)]