80721654

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 180182016

約数和(自身を除く): 99460362

約数列:

[1, 2, 3, 6, 13, 26, 39, 47, 78, 94, 97, 141, 194, 227, 282, 291, 454, 582, 611, 681, 1222, 1261, 1362, 1833, 2522, 2951, 3666, 3783, 4559, 5902, 7566, 8853, 9118, 10669, 13677, 17706, 21338, 22019, 27354, 32007, 44038, 59267, 64014, 66057, 118534, 132114, 138697, 177801, 277394, 286247, 355602, 416091, 572494, 832182, 858741, 1034893, 1717482, 2069786, 3104679, 6209358, 13453609, 26907218, 40360827, 80721654]

約数ペア:

[(1, 80721654), (2, 40360827), (3, 26907218), (6, 13453609), (13, 6209358), (26, 3104679), (39, 2069786), (47, 1717482), (78, 1034893), (94, 858741), (97, 832182), (141, 572494), (194, 416091), (227, 355602), (282, 286247), (291, 277394), (454, 177801), (582, 138697), (611, 132114), (681, 118534), (1222, 66057), (1261, 64014), (1362, 59267), (1833, 44038), (2522, 32007), (2951, 27354), (3666, 22019), (3783, 21338), (4559, 17706), (5902, 13677), (7566, 10669), (8853, 9118)]