78820140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2801}}^1$

素因数の和:2887

約数の個数: 96

約数和(自身を含む): 256080384

約数和(自身を除く): 177260244

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 67, 70, 84, 105, 134, 140, 201, 210, 268, 335, 402, 420, 469, 670, 804, 938, 1005, 1340, 1407, 1876, 2010, 2345, 2801, 2814, 4020, 4690, 5602, 5628, 7035, 8403, 9380, 11204, 14005, 14070, 16806, 19607, 28010, 28140, 33612, 39214, 42015, 56020, 58821, 78428, 84030, 98035, 117642, 168060, 187667, 196070, 235284, 294105, 375334, 392140, 563001, 588210, 750668, 938335, 1126002, 1176420, 1313669, 1876670, 2252004, 2627338, 2815005, 3753340, 3941007, 5254676, 5630010, 6568345, 7882014, 11260020, 13136690, 15764028, 19705035, 26273380, 39410070, 78820140]

約数ペア:

[(1, 78820140), (2, 39410070), (3, 26273380), (4, 19705035), (5, 15764028), (6, 13136690), (7, 11260020), (10, 7882014), (12, 6568345), (14, 5630010), (15, 5254676), (20, 3941007), (21, 3753340), (28, 2815005), (30, 2627338), (35, 2252004), (42, 1876670), (60, 1313669), (67, 1176420), (70, 1126002), (84, 938335), (105, 750668), (134, 588210), (140, 563001), (201, 392140), (210, 375334), (268, 294105), (335, 235284), (402, 196070), (420, 187667), (469, 168060), (670, 117642), (804, 98035), (938, 84030), (1005, 78428), (1340, 58821), (1407, 56020), (1876, 42015), (2010, 39214), (2345, 33612), (2801, 28140), (2814, 28010), (4020, 19607), (4690, 16806), (5602, 14070), (5628, 14005), (7035, 11204), (8403, 9380)]