81969510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{5347}}^1$

素因数の和:5437

約数の個数: 64

約数和(自身を含む): 227953152

約数和(自身を除く): 145983642

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 73, 105, 146, 210, 219, 365, 438, 511, 730, 1022, 1095, 1533, 2190, 2555, 3066, 5110, 5347, 7665, 10694, 15330, 16041, 26735, 32082, 37429, 53470, 74858, 80205, 112287, 160410, 187145, 224574, 374290, 390331, 561435, 780662, 1122870, 1170993, 1951655, 2341986, 2732317, 3903310, 5464634, 5854965, 8196951, 11709930, 13661585, 16393902, 27323170, 40984755, 81969510]

約数ペア:

[(1, 81969510), (2, 40984755), (3, 27323170), (5, 16393902), (6, 13661585), (7, 11709930), (10, 8196951), (14, 5854965), (15, 5464634), (21, 3903310), (30, 2732317), (35, 2341986), (42, 1951655), (70, 1170993), (73, 1122870), (105, 780662), (146, 561435), (210, 390331), (219, 374290), (365, 224574), (438, 187145), (511, 160410), (730, 112287), (1022, 80205), (1095, 74858), (1533, 53470), (2190, 37429), (2555, 32082), (3066, 26735), (5110, 16041), (5347, 15330), (7665, 10694)]