71290180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^2$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 172064088

約数和(自身を除く): 100773908

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 127, 130, 170, 221, 254, 260, 340, 442, 508, 635, 884, 1105, 1270, 1651, 2159, 2210, 2540, 3302, 4318, 4420, 6604, 8255, 8636, 10795, 16129, 16510, 21590, 28067, 32258, 33020, 43180, 56134, 64516, 80645, 112268, 140335, 161290, 209677, 274193, 280670, 322580, 419354, 548386, 561340, 838708, 1048385, 1096772, 1370965, 2096770, 2741930, 3564509, 4193540, 5483860, 7129018, 14258036, 17822545, 35645090, 71290180]

約数ペア:

[(1, 71290180), (2, 35645090), (4, 17822545), (5, 14258036), (10, 7129018), (13, 5483860), (17, 4193540), (20, 3564509), (26, 2741930), (34, 2096770), (52, 1370965), (65, 1096772), (68, 1048385), (85, 838708), (127, 561340), (130, 548386), (170, 419354), (221, 322580), (254, 280670), (260, 274193), (340, 209677), (442, 161290), (508, 140335), (635, 112268), (884, 80645), (1105, 64516), (1270, 56134), (1651, 43180), (2159, 33020), (2210, 32258), (2540, 28067), (3302, 21590), (4318, 16510), (4420, 16129), (6604, 10795), (8255, 8636)]