80754380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:879

約数の個数: 96

約数和(自身を含む): 209018880

約数和(自身を除く): 128264500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 31, 35, 46, 62, 70, 92, 115, 124, 140, 155, 161, 217, 230, 310, 322, 434, 460, 620, 644, 713, 805, 809, 868, 1085, 1426, 1610, 1618, 2170, 2852, 3220, 3236, 3565, 4045, 4340, 4991, 5663, 7130, 8090, 9982, 11326, 14260, 16180, 18607, 19964, 22652, 24955, 25079, 28315, 37214, 49910, 50158, 56630, 74428, 93035, 99820, 100316, 113260, 125395, 130249, 175553, 186070, 250790, 260498, 351106, 372140, 501580, 520996, 576817, 651245, 702212, 877765, 1153634, 1302490, 1755530, 2307268, 2604980, 2884085, 3511060, 4037719, 5768170, 8075438, 11536340, 16150876, 20188595, 40377190, 80754380]

約数ペア:

[(1, 80754380), (2, 40377190), (4, 20188595), (5, 16150876), (7, 11536340), (10, 8075438), (14, 5768170), (20, 4037719), (23, 3511060), (28, 2884085), (31, 2604980), (35, 2307268), (46, 1755530), (62, 1302490), (70, 1153634), (92, 877765), (115, 702212), (124, 651245), (140, 576817), (155, 520996), (161, 501580), (217, 372140), (230, 351106), (310, 260498), (322, 250790), (434, 186070), (460, 175553), (620, 130249), (644, 125395), (713, 113260), (805, 100316), (809, 99820), (868, 93035), (1085, 74428), (1426, 56630), (1610, 50158), (1618, 49910), (2170, 37214), (2852, 28315), (3220, 25079), (3236, 24955), (3565, 22652), (4045, 19964), (4340, 18607), (4991, 16180), (5663, 14260), (7130, 11326), (8090, 9982)]