81345384

素因数分解:

$2^3\times 3^4\times {\mathrm{19}}^1\times {\mathrm{6607}}^1$

素因数の和:6644

約数の個数: 80

約数和(自身を含む): 239870400

約数和(自身を除く): 158525016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 81, 108, 114, 152, 162, 171, 216, 228, 324, 342, 456, 513, 648, 684, 1026, 1368, 1539, 2052, 3078, 4104, 6156, 6607, 12312, 13214, 19821, 26428, 39642, 52856, 59463, 79284, 118926, 125533, 158568, 178389, 237852, 251066, 356778, 376599, 475704, 502132, 535167, 713556, 753198, 1004264, 1070334, 1129797, 1427112, 1506396, 2140668, 2259594, 3012792, 3389391, 4281336, 4519188, 6778782, 9038376, 10168173, 13557564, 20336346, 27115128, 40672692, 81345384]

約数ペア:

[(1, 81345384), (2, 40672692), (3, 27115128), (4, 20336346), (6, 13557564), (8, 10168173), (9, 9038376), (12, 6778782), (18, 4519188), (19, 4281336), (24, 3389391), (27, 3012792), (36, 2259594), (38, 2140668), (54, 1506396), (57, 1427112), (72, 1129797), (76, 1070334), (81, 1004264), (108, 753198), (114, 713556), (152, 535167), (162, 502132), (171, 475704), (216, 376599), (228, 356778), (324, 251066), (342, 237852), (456, 178389), (513, 158568), (648, 125533), (684, 118926), (1026, 79284), (1368, 59463), (1539, 52856), (2052, 39642), (3078, 26428), (4104, 19821), (6156, 13214), (6607, 12312)]