66459880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:163

約数の個数: 128

約数和(自身を含む): 167961600

約数和(自身を除く): 101501720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 46, 47, 53, 58, 92, 94, 106, 115, 116, 145, 184, 188, 212, 230, 232, 235, 265, 290, 376, 424, 460, 470, 530, 580, 667, 920, 940, 1060, 1081, 1160, 1219, 1334, 1363, 1537, 1880, 2120, 2162, 2438, 2491, 2668, 2726, 3074, 3335, 4324, 4876, 4982, 5336, 5405, 5452, 6095, 6148, 6670, 6815, 7685, 8648, 9752, 9964, 10810, 10904, 12190, 12296, 12455, 13340, 13630, 15370, 19928, 21620, 24380, 24910, 26680, 27260, 30740, 31349, 35351, 43240, 48760, 49820, 54520, 57293, 61480, 62698, 70702, 72239, 99640, 114586, 125396, 141404, 144478, 156745, 176755, 229172, 250792, 282808, 286465, 288956, 313490, 353510, 361195, 458344, 572930, 577912, 626980, 707020, 722390, 1145860, 1253960, 1414040, 1444780, 1661497, 2291720, 2889560, 3322994, 6645988, 8307485, 13291976, 16614970, 33229940, 66459880]

約数ペア:

[(1, 66459880), (2, 33229940), (4, 16614970), (5, 13291976), (8, 8307485), (10, 6645988), (20, 3322994), (23, 2889560), (29, 2291720), (40, 1661497), (46, 1444780), (47, 1414040), (53, 1253960), (58, 1145860), (92, 722390), (94, 707020), (106, 626980), (115, 577912), (116, 572930), (145, 458344), (184, 361195), (188, 353510), (212, 313490), (230, 288956), (232, 286465), (235, 282808), (265, 250792), (290, 229172), (376, 176755), (424, 156745), (460, 144478), (470, 141404), (530, 125396), (580, 114586), (667, 99640), (920, 72239), (940, 70702), (1060, 62698), (1081, 61480), (1160, 57293), (1219, 54520), (1334, 49820), (1363, 48760), (1537, 43240), (1880, 35351), (2120, 31349), (2162, 30740), (2438, 27260), (2491, 26680), (2668, 24910), (2726, 24380), (3074, 21620), (3335, 19928), (4324, 15370), (4876, 13630), (4982, 13340), (5336, 12455), (5405, 12296), (5452, 12190), (6095, 10904), (6148, 10810), (6670, 9964), (6815, 9752), (7685, 8648)]