78720408

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2713}}^1$

素因数の和:2769

約数の個数: 96

約数和(自身を含む): 237095040

約数和(自身を除く): 158374632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 31, 36, 39, 52, 62, 72, 78, 93, 104, 117, 124, 156, 186, 234, 248, 279, 312, 372, 403, 468, 558, 744, 806, 936, 1116, 1209, 1612, 2232, 2418, 2713, 3224, 3627, 4836, 5426, 7254, 8139, 9672, 10852, 14508, 16278, 21704, 24417, 29016, 32556, 35269, 48834, 65112, 70538, 84103, 97668, 105807, 141076, 168206, 195336, 211614, 252309, 282152, 317421, 336412, 423228, 504618, 634842, 672824, 756927, 846456, 1009236, 1093339, 1269684, 1513854, 2018472, 2186678, 2539368, 3027708, 3280017, 4373356, 6055416, 6560034, 8746712, 9840051, 13120068, 19680102, 26240136, 39360204, 78720408]

約数ペア:

[(1, 78720408), (2, 39360204), (3, 26240136), (4, 19680102), (6, 13120068), (8, 9840051), (9, 8746712), (12, 6560034), (13, 6055416), (18, 4373356), (24, 3280017), (26, 3027708), (31, 2539368), (36, 2186678), (39, 2018472), (52, 1513854), (62, 1269684), (72, 1093339), (78, 1009236), (93, 846456), (104, 756927), (117, 672824), (124, 634842), (156, 504618), (186, 423228), (234, 336412), (248, 317421), (279, 282152), (312, 252309), (372, 211614), (403, 195336), (468, 168206), (558, 141076), (744, 105807), (806, 97668), (936, 84103), (1116, 70538), (1209, 65112), (1612, 48834), (2232, 35269), (2418, 32556), (2713, 29016), (3224, 24417), (3627, 21704), (4836, 16278), (5426, 14508), (7254, 10852), (8139, 9672)]