7716280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:125

約数の個数: 128

約数和(自身を含む): 21772800

約数和(自身を除く): 14056520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 71, 76, 88, 95, 104, 110, 130, 142, 143, 152, 190, 209, 220, 247, 260, 284, 286, 355, 380, 418, 440, 494, 520, 568, 572, 710, 715, 760, 781, 836, 923, 988, 1045, 1144, 1235, 1349, 1420, 1430, 1562, 1672, 1846, 1976, 2090, 2470, 2698, 2717, 2840, 2860, 3124, 3692, 3905, 4180, 4615, 4940, 5396, 5434, 5720, 6248, 6745, 7384, 7810, 8360, 9230, 9880, 10153, 10792, 10868, 13490, 13585, 14839, 15620, 17537, 18460, 20306, 21736, 26980, 27170, 29678, 31240, 35074, 36920, 40612, 50765, 53960, 54340, 59356, 70148, 74195, 81224, 87685, 101530, 108680, 118712, 140296, 148390, 175370, 192907, 203060, 296780, 350740, 385814, 406120, 593560, 701480, 771628, 964535, 1543256, 1929070, 3858140, 7716280]

約数ペア:

[(1, 7716280), (2, 3858140), (4, 1929070), (5, 1543256), (8, 964535), (10, 771628), (11, 701480), (13, 593560), (19, 406120), (20, 385814), (22, 350740), (26, 296780), (38, 203060), (40, 192907), (44, 175370), (52, 148390), (55, 140296), (65, 118712), (71, 108680), (76, 101530), (88, 87685), (95, 81224), (104, 74195), (110, 70148), (130, 59356), (142, 54340), (143, 53960), (152, 50765), (190, 40612), (209, 36920), (220, 35074), (247, 31240), (260, 29678), (284, 27170), (286, 26980), (355, 21736), (380, 20306), (418, 18460), (440, 17537), (494, 15620), (520, 14839), (568, 13585), (572, 13490), (710, 10868), (715, 10792), (760, 10153), (781, 9880), (836, 9230), (923, 8360), (988, 7810), (1045, 7384), (1144, 6745), (1235, 6248), (1349, 5720), (1420, 5434), (1430, 5396), (1562, 4940), (1672, 4615), (1846, 4180), (1976, 3905), (2090, 3692), (2470, 3124), (2698, 2860), (2717, 2840)]