9820720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:123

約数の個数: 160

約数和(自身を含む): 29998080

約数和(自身を除く): 20177360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 71, 76, 80, 91, 95, 104, 112, 130, 133, 140, 142, 152, 182, 190, 208, 247, 260, 266, 280, 284, 304, 355, 364, 380, 455, 494, 497, 520, 532, 560, 568, 665, 710, 728, 760, 910, 923, 988, 994, 1040, 1064, 1136, 1235, 1330, 1349, 1420, 1456, 1520, 1729, 1820, 1846, 1976, 1988, 2128, 2470, 2485, 2660, 2698, 2840, 3458, 3640, 3692, 3952, 3976, 4615, 4940, 4970, 5320, 5396, 5680, 6461, 6745, 6916, 7280, 7384, 7952, 8645, 9230, 9443, 9880, 9940, 10640, 10792, 12922, 13490, 13832, 14768, 17290, 17537, 18460, 18886, 19760, 19880, 21584, 25844, 26980, 27664, 32305, 34580, 35074, 36920, 37772, 39760, 47215, 51688, 53960, 64610, 69160, 70148, 73840, 75544, 87685, 94430, 103376, 107920, 122759, 129220, 138320, 140296, 151088, 175370, 188860, 245518, 258440, 280592, 350740, 377720, 491036, 516880, 613795, 701480, 755440, 982072, 1227590, 1402960, 1964144, 2455180, 4910360, 9820720]

約数ペア:

[(1, 9820720), (2, 4910360), (4, 2455180), (5, 1964144), (7, 1402960), (8, 1227590), (10, 982072), (13, 755440), (14, 701480), (16, 613795), (19, 516880), (20, 491036), (26, 377720), (28, 350740), (35, 280592), (38, 258440), (40, 245518), (52, 188860), (56, 175370), (65, 151088), (70, 140296), (71, 138320), (76, 129220), (80, 122759), (91, 107920), (95, 103376), (104, 94430), (112, 87685), (130, 75544), (133, 73840), (140, 70148), (142, 69160), (152, 64610), (182, 53960), (190, 51688), (208, 47215), (247, 39760), (260, 37772), (266, 36920), (280, 35074), (284, 34580), (304, 32305), (355, 27664), (364, 26980), (380, 25844), (455, 21584), (494, 19880), (497, 19760), (520, 18886), (532, 18460), (560, 17537), (568, 17290), (665, 14768), (710, 13832), (728, 13490), (760, 12922), (910, 10792), (923, 10640), (988, 9940), (994, 9880), (1040, 9443), (1064, 9230), (1136, 8645), (1235, 7952), (1330, 7384), (1349, 7280), (1420, 6916), (1456, 6745), (1520, 6461), (1729, 5680), (1820, 5396), (1846, 5320), (1976, 4970), (1988, 4940), (2128, 4615), (2470, 3976), (2485, 3952), (2660, 3692), (2698, 3640), (2840, 3458)]