320480865

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2711}}^1$

素因数の和:2830

約数の個数: 48

約数和(自身を含む): 578762496

約数和(自身を除く): 258281631

約数列:

[1, 3, 5, 9, 15, 37, 45, 71, 111, 185, 213, 333, 355, 555, 639, 1065, 1665, 2627, 2711, 3195, 7881, 8133, 13135, 13555, 23643, 24399, 39405, 40665, 100307, 118215, 121995, 192481, 300921, 501535, 577443, 902763, 962405, 1504605, 1732329, 2887215, 4513815, 7121797, 8661645, 21365391, 35608985, 64096173, 106826955, 320480865]

約数ペア:

[(1, 320480865), (3, 106826955), (5, 64096173), (9, 35608985), (15, 21365391), (37, 8661645), (45, 7121797), (71, 4513815), (111, 2887215), (185, 1732329), (213, 1504605), (333, 962405), (355, 902763), (555, 577443), (639, 501535), (1065, 300921), (1665, 192481), (2627, 121995), (2711, 118215), (3195, 100307), (7881, 40665), (8133, 39405), (13135, 24399), (13555, 23643)]